Clinical reference
YMed Atlas hosts interactive scores and calculators used in daily practice—stroke prevention, pulmonary embolism risk, sepsis, pediatrics, hepatology, and more. Every tool includes references; use results as an adjunct to bedside assessment and current society guidelines.
Educational reference only. Not medical advice; not a substitute for independent clinical judgment or institutional policy.
Simplified baseline cardiovascular risk checklist for multiple myeloma therapy planning.
Cardio-Oncology · Oncology · Updated 4/19/2026
Simplified baseline cardiovascular risk checklist before VEGF inhibitor therapy.
Cardio-Oncology · Oncology · Updated 4/19/2026
Major/minor checklist aligned with the 2023 Duke–ISCVID update (expanded microbiology and multimodality imaging) using operational definite/possible thresholds.
Cardiology · Infectious Disease · Updated 4/19/2026
Phenotype staging from at-risk (A) through advanced symptomatic HF (D) with ACC/AHA 2022-style definitions.
Cardiology · Heart Failure · Updated 4/19/2026
Age/LVEF ratio + creatinine >2, emergency surgery, and hematocrit <36% anemia term (Ranucci).
Cardiology · Cardiac Surgery · Updated 4/19/2026
Academic Research Consortium: ≥1 major or ≥2 minor criteria for trial-style HBR designation.
Cardiology · Interventional · Updated 4/19/2026
Estimates cardiac output from oxygen consumption and arteriovenous oxygen content difference.
Cardiology · Hemodynamics · Updated 4/19/2026
Stroke risk stratification for patients with non-valvular atrial fibrillation. Calculates annual stroke risk and guides anticoagulation decisions based on clinical risk factors.
Cardiology · Anticoagulation · Updated 4/19/2026
Atrial fibrillation stroke risk score using congestive heart failure, hypertension, age, diabetes, prior stroke/TIA, vascular disease, and sex.
Cardiology · Risk Assessment · Updated 4/19/2026
Calculates QTc using Bazett, Fridericia, and Framingham formulas.
Cardiology · Electrocardiography · Updated 4/19/2026
Dutch Lipid Clinic Network point-based FH classification (definite/probable/possible/unlikely).
Cardiology · Lipid Disorders · Updated 4/19/2026
Age-stratified pediatric ECG reference limits (HR, PQ/PR, QRS, Q III/aVF/V5/V6) from DOB and reference date. Embedded UTMB summary of Park & Guntheroth (2006); Q aVF/V5 interpolated where the source lists only III/V6. Not affiliated with pedz.de.
Cardiology · Electrocardiography · Updated 4/19/2026
Modified Duke criteria support for infective endocarditis classification.
Cardiology · Infectious Disease · Updated 4/19/2026
Simplified Jones criteria checklist for acute rheumatic fever (requires evidence of preceding GAS infection).
Cardiology · Rheumatology · Updated 4/19/2026
Calculates LDL-C using the Friedewald equation when triglycerides are < 400 mg/dL, or reports non–HDL-C (TC − HDL) as an alternative marker.
Cardiology · Lipid Disorders · Updated 4/19/2026
Simplified contrast-nephropathy risk estimate after PCI.
Cardiology · Nephrology · Updated 4/19/2026
Simplified natriuretic response index from urine/serum values and loop dose.
Cardiology · Heart Failure · Updated 4/19/2026
QTc (ms) from QT and HR or RR using Bazett (QT/√RR). Inspired by Ped(z) QTc; use the Corrected QTc tool for Fridericia/Framingham. Not affiliated with pedz.de.
Cardiology · Electrocardiography · Updated 4/19/2026
Age- and relation-specific total cholesterol screening thresholds.
Cardiology · Lipid Disorders · Updated 4/19/2026
Six-factor suspicion score for Lyme carditis.
Cardiology / Infectious Diseases · Infectious Calculators · Updated 4/19/2026
ESC 2021 fatal + non-fatal CVD risk for ages ~40–69 without diabetes; region-recalibrated.
Cardiology / Primary Care · Risk Scores · Updated 4/19/2026
Educational pairwise drug interaction checker for selected medications.
Clinical Pharmacology · Drug Safety · Updated 4/19/2026
Educational food-drug interaction checker for selected common pairs.
Clinical Pharmacology · Drug Safety · Updated 4/19/2026
Interprets APACHE II total score (0-71) with broad mortality risk bands.
Critical Care · Severity Scoring · Updated 4/19/2026
Estimates base excess from bicarbonate and pH inputs.
Critical Care · Acid-Base · Updated 4/19/2026
Estimates total blood volume by weight and age group.
Critical Care · Fluids · Updated 4/19/2026
Parkland formula estimate for first 24-hour burn resuscitation fluid.
Critical Care · Fluids · Updated 4/19/2026
Converts elemental calcium to mmol/mEq and injectable calcium salt equivalents.
Critical Care · Electrolytes · Updated 4/19/2026
Devine formula-based ideal body weight from height (inches) and sex; calculates target tidal volume using desired mL/kg (educational).
Critical Care · Respiratory · Updated 4/19/2026
Maintenance + dehydration deficit replacement using Holliday-Segar style method (educational).
Critical Care · Fluids · Updated 4/19/2026
Mean arterial pressure approximation: MAP = (SBP + 2 × DBP) / 3.
Critical Care · Hemodynamics · Updated 4/19/2026
Mean vascular blood pressure approximation from SBP/DBP (computed using the same mean-pressure model).
Critical Care · Hemodynamics · Updated 4/19/2026
OSI calculation and simplified interpretation using FiO2%, mean airway pressure, and SpO2%.
Critical Care · Respiratory · Updated 4/19/2026
Expected respiratory compensation in metabolic acidosis.
Critical Care · Acid-Base · Updated 4/19/2026
Generic PICU infusion calculator using selected drug, weight, and concentration to compute mL/hour (UI/testing approximation).
Critical Care / Pediatrics · Pharmacology · Updated 4/19/2026
CROP index weaning predictor computed from PImax, pressures, tidal volume and oxygenation.
Critical Care / Pediatrics · Respiratory · Updated 4/19/2026
Low-risk febrile infant checklist (clinical + lab gates).
Emergency / Infectious Diseases · Infectious Calculators · Updated 4/19/2026
Mintegi-style sequential screen for young febrile infants.
Emergency / Infectious Diseases · Infectious Calculators · Updated 4/19/2026
Five-domain croup severity sum (Westley 1978).
Emergency / Pulmonology · Respiratory Calculators · Updated 4/19/2026
Four-level weighted clinical pretest probability (13 variables, −2 to +5 points) with linked D-dimer/imaging strategies from derivation studies.
Emergency Medicine · Pulmonology · Updated 4/19/2026
Penetrating mechanism, hypotension, tachycardia, positive FAST — each +1; ≥2 suggests MTP activation context.
Emergency Medicine · Trauma / Transfusion · Updated 4/19/2026
Computes standard NAC dosing by body weight for IV or oral regimens used in acute acetaminophen overdose.
Emergency Medicine · Toxicology · Updated 4/19/2026
Interprets plasma acetaminophen concentration against post-ingestion time using a treatment-line nomogram framework.
Emergency Medicine · Toxicology · Updated 4/19/2026
Bronchoscopic inhalation injury severity ordinal (0–4) with brief mortality-context notes for burn pathways.
Emergency Medicine · Burns / Trauma · Updated 4/19/2026
Computes the Alvarado (MANTRELS) score (0-10) from symptoms, signs, and laboratory findings.
Emergency Medicine · Diagnosis · Updated 4/19/2026
Severity-based initial and repeat antivenom dose guidance pathway.
Emergency Medicine · Toxicology · Updated 4/19/2026
AIR score (0-12) based on vomiting, RLQ pain, rebound/guarding, temperature, WBC, neutrophils, and CRP.
Emergency Medicine · Diagnosis · Updated 4/19/2026
SpO₂, RR, mental status, comorbid flag for coarse ED acuity tiers; not a substitute for national ACEP/CDC documents.
Emergency Medicine · Infectious Disease · Updated 4/19/2026
Low-risk determination if Palchak criteria are absent; scalp hematoma considered only if age <=2 (simplified).
Emergency Medicine · Neurology · Updated 4/19/2026
NEXUS II head CT decision rule for blunt pediatric head trauma: CT if any criteria present; otherwise CT can be avoided.
Emergency Medicine · Neurology / Imaging · Updated 4/19/2026
ADAG linear mapping from HbA1c to estimated average glucose (mg/dL and mmol/L).
Endocrinology · Diabetes · Updated 4/19/2026
Estimated HbA1c from mean plasma glucose (and related eAG conversions) using common ADAG-style linear relationships.
Endocrinology · Diabetes · Updated 4/19/2026
Educational approximation using simplified density proxy (reference curve based DXA scoring not fully implemented).
Endocrinology · Bone Health · Updated 4/19/2026
Broad pediatric thyroid hormone reference bands by age.
Endocrinology · Laboratory Calculators · Updated 4/19/2026
Expected adult stature from father and mother height and child sex—same clinical role as Ped(z) target height (mph). Standard midpoint (boys +13 cm / girls −13 cm vs mean parental height) with an approximate ±8.5 cm corridor; Ped(z) adds Hermanussen auxology and country-specific references for tighter intervals.
Endocrinology / Pediatrics · Growth · Updated 4/19/2026
Brief IPV/harm screen with positive-response routing language; private screening context required.
Family Medicine · Social Determinants · Updated 4/19/2026
Five-item score for antibiotic stewardship context in sore throat.
Family Medicine · Infectious Disease · Updated 4/19/2026
Visually classifies stool into 7 types (hard pellets to watery) with clinical interpretation, gut transit time estimates, and management guidance for constipation and diarrhoea.
Gastroenterology · Gastrointestinal · Updated 4/19/2026
Cirrhosis severity: bilirubin, albumin, INR, ascites, encephalopathy. Classes A/B/C.
Gastroenterology · Liver · Updated 4/19/2026
Esophageal achalasia severity index from weight loss, duration, dilatation, and sigmoid esophagus.
Gastroenterology · Esophageal · Updated 4/19/2026
Height-adjusted rough percussion span estimate for adult context.
Gastroenterology · Physical Exam · Updated 4/19/2026
Pre-endoscopy risk stratification for acute upper gastrointestinal bleeding.
Gastroenterology · Emergency Medicine · Updated 4/19/2026
Ioannou et al. model-inspired educational estimate of 3-year HCC risk using cirrhosis/SVR and lab/demographic inputs.
Gastroenterology · Liver · Updated 4/19/2026
Infant Gastroesophageal Reflux Questionnaire (IGERQ) total score (simplified mapping) and interpretation using a score cut-off around 5.
Gastroenterology · Pediatrics · Updated 4/19/2026
IAIHG simplified AIH scoring using autoantibodies, IgG level, liver histology, and viral hepatitis exclusion (educational).
Gastroenterology · Liver · Updated 4/19/2026
Manning criteria checklist for IBS; meets if >= 3/6 features are present (educational).
Gastroenterology · Gastrointestinal · Updated 4/19/2026
ISHAK necroinflammatory activity index (activity components summed) and fibrosis stage from histology selections (educational).
Gastroenterology · Liver · Updated 4/19/2026
King's College criteria for acetaminophen-related ALF: meets if arterial pH < 7.30 OR (INR > 6.5 + creatinine > 3.4 + HE grade III/IV).
Gastroenterology · Liver Failure · Updated 4/19/2026
King's College criteria for non-acetaminophen ALF: meets if PT > 100s (INR > 6.5) OR >=3 of 5 minor criteria.
Gastroenterology · Liver Failure · Updated 4/19/2026
Kleiner 2005 NAS: steatosis grade + lobular inflammation + ballooning (0–8).
Gastroenterology · Hepatology · Updated 4/19/2026
Educational simplified primary and total bile acid reference ranges.
Gastroenterology · Laboratory Medicine · Updated 4/19/2026
Simplified educational PCDAI scoring based on selected clinical categories (0–100).
Gastroenterology · Inflammatory Bowel Disease · Updated 4/19/2026
PUCAI index (0–85) from daily symptoms: abdominal pain, rectal bleeding, stool consistency, stool frequency, nocturnal stools, and activity.
Gastroenterology · Inflammatory Bowel Disease · Updated 4/19/2026
Belafsky RFS from laryngoscopic findings; >7 suggests LPR on Pediatric Oncall.
Gastroenterology · GI and Liver Calculators · Updated 4/19/2026
RSI from nine 0–5 symptom items; ≥13 clinically significant on Pediatric Oncall.
Gastroenterology · GI and Liver Calculators · Updated 4/19/2026
Pre-endoscopy Rockall (age, shock, comorbidity).
Gastroenterology · GI and Liver Calculators · Updated 4/19/2026
Full Rockall score including endoscopic diagnosis and stigmata of recent hemorrhage.
Gastroenterology · GI and Liver Calculators · Updated 4/19/2026
Simplified Rome IV abdominal migraine checklist.
Gastroenterology · GI and Liver Calculators · Updated 4/19/2026
Simplified Rome IV aerophagia checklist.
Gastroenterology · GI and Liver Calculators · Updated 4/19/2026
Functional constipation: ≥2 Rome criteria with duration and exclusion.
Gastroenterology · GI and Liver Calculators · Updated 4/19/2026
Simplified Rome IV CVS checklist.
Gastroenterology · GI and Liver Calculators · Updated 4/19/2026
Simplified FAP-NOS checklist.
Gastroenterology · GI and Liver Calculators · Updated 4/19/2026
Core Rome IV FD symptoms with duration.
Gastroenterology · GI and Liver Calculators · Updated 4/19/2026
Simplified FNVS-style checklist.
Gastroenterology · GI and Liver Calculators · Updated 4/19/2026
Rome IV IBS checklist aligned with Pediatric Oncall structure.
Gastroenterology · GI and Liver Calculators · Updated 4/19/2026
Simplified NFI checklist (age ≥4 years).
Gastroenterology · GI and Liver Calculators · Updated 4/19/2026
Simplified Rome IV rumination checklist.
Gastroenterology · GI and Liver Calculators · Updated 4/19/2026
SAAG = serum albumin minus ascites albumin (g/dL).
Gastroenterology · GI and Liver Calculators · Updated 4/19/2026
Pediatric severe acute pancreatitis feature count (≥3 flagged).
Gastroenterology · GI and Liver Calculators · Updated 4/19/2026
Fecal osmotic gap from electrolytes ± measured stool osmolality.
Gastroenterology · GI and Liver Calculators · Updated 4/19/2026
Calculate Body Mass Index (BMI) to assess weight status based on height and weight.
General · Nutritional · Updated 4/19/2026
BSA (m²) from height (cm) and weight (kg) using Mosteller (1987) or DuBois (1916), matching Ped(z) BSA options. Not affiliated with pedz.de.
General · General Calculators · Updated 4/19/2026
Calculates BSA using the Gehan and George equation.
General · General · Updated 4/19/2026
Converts length in centimeters to inches and feet-inches format.
General · Unit Conversion · Updated 4/19/2026
Interactive clinical calculator (HeartRateCalculator).
General · Medical calculators · Updated 4/19/2026
Calculates maintenance fluid requirements by weight using the Holliday-Segar method (4-2-1 rule). Applicable to any age; consider ideal body weight in obese patients.
General · Critical Care · Updated 4/19/2026
Nutrition risk estimate from albumin and current/ideal body weight.
General · Nutrition · Updated 4/19/2026
Celsius ↔ Fahrenheit conversion.
General · Conversion Calculators · Updated 4/19/2026
Interactive clinical calculator (TorontoStagingHub).
General · Medical calculators · Updated 4/19/2026
Weight conversion using 1 lb = 0.45359237 kg.
General / Pediatrics · Conversions · Updated 4/19/2026
Mass with optional height to show BMI (adult cutoffs annotated; growth charts for children).
General Pediatrics · Growth Calculators · Updated 4/19/2026
Educational enzyme–phenotype recognition notes for major MPS types.
Genetics / Metabolism · Genetic Calculators · Updated 4/19/2026
Four-item bedside screen (alertness, AMT4, attention, acute change/fluctuation); score ≥4 suggests possible delirium.
Geriatrics · Neurology · Updated 4/19/2026
Assessment tool for measuring pain in people with dementia who cannot verbalize their pain.
Geriatrics · Pain Management · Updated 4/19/2026
Ten-item cognitive screen; count correct (0–10) with common ≤6 impairment cutoff (local validation).
Geriatrics · Neurology · Updated 4/19/2026
Four orientation items; score number correct — often screen at ≤2 abnormal.
Geriatrics · Neurology · Updated 4/19/2026
Assesses independence in six activities of daily living (score 0-6).
Geriatrics · Functional Assessment · Updated 4/19/2026
Estimates ovulation date and fertile window using LMP and cycle length.
Gynecology · Reproductive Health · Updated 4/19/2026
Pretest clinical probability for HIT from thrombocytopenia pattern, timing, thrombosis sequelae, and alternative diagnoses (0–8).
Hematology · Coagulation · Updated 4/19/2026
Punnett phenotype distribution from parental ABO genotypes.
Hematology · Transfusion Medicine · Updated 4/19/2026
Computes PT ratio (INR approximation), aPTT ratio, and reports fibrinogen.
Hematology · Coagulation · Updated 4/19/2026
Estimates cryoprecipitate units required to reach target fibrinogen.
Hematology · Transfusion Medicine · Updated 4/19/2026
Estimates DLI infusion volume from target CD3 dose, patient weight, and product concentration.
Hematology · Transplant Medicine · Updated 4/19/2026
Educational oxidant-risk categorization of medications in G6PD deficiency.
Hematology · Drug Safety · Updated 4/19/2026
Mentzer index = MCV (fL) / RBC (million/µL). Index < 13 suggests thalassemia trait; >= 13 suggests iron deficiency.
Hematology · Laboratory Medicine · Updated 4/19/2026
RBC apheresis exchange volume estimate from HbS targets (approximate).
Hematology · Hematology Calculators · Updated 4/19/2026
Parenteral iron deficit estimate from weight, Hb delta, and depot iron.
Hematology · Infusion Calculators · Updated 4/19/2026
Total WBC age-specific reference ×10³/µL.
Hematology · Laboratory Calculators · Updated 4/19/2026
Miller et al. early risk factor checklist (dactylitis <1y, leukocytosis, hemoglobin <7 g/dL) with risk stratification.
Hematology / Pediatrics · Hematology · Updated 4/19/2026
Calculates the AARC-ACLF score (5-15) and grade from bilirubin, HE grade, INR, lactate, and creatinine bands.
Hepatology · Liver · Updated 4/19/2026
Age, bilirubin, INR, creatinine (mg/dL) — low/intermediate/high 90-day risk bands.
Hepatology · Liver · Updated 4/19/2026
Computes APRI from AST, AST upper limit of normal, and platelet count.
Hepatology · Liver · Updated 4/19/2026
Computes CLIF-C ACLF score from CLIF-OF, age, and WBC.
Hepatology · Liver · Updated 4/19/2026
Educational checklist for HBV DNA, ALT, fibrosis, and risk context consistent with international CHB management themes.
Hepatology · Liver · Updated 4/19/2026
AST, ALT, platelets, age fibrosis index for hepatitis/NAFLD risk stratification.
Hepatology · Liver · Updated 4/19/2026
MELD-Na calculator (modern educational implementation) with creatinine adjustment, dialysis option, and sodium correction.
Hepatology · Liver Failure · Updated 4/19/2026
Legacy MELD score (non-Na) from bilirubin, INR, and creatinine.
Hepatology · Liver · Updated 4/19/2026
Original MELD (pre-modern policy adjustments) educational implementation.
Hepatology · Liver · Updated 4/19/2026
Educational simplified adult-style reference ranges for ALT/AST/GGT.
Hepatology · Laboratory Medicine · Updated 4/19/2026
Educational Wilson disease severity scoring (uses modified Leipzig calculator implementation on this site).
Hepatology · Hepatology Calculators · Updated 4/19/2026
PNFS probability (%) of advanced pediatric NAFLD fibrosis (stage ≥3) from ALT, alkaline phosphatase, platelets, and GGT.
Hepatology / Pediatrics · Liver · Updated 4/19/2026
PNHS categorizes pediatric NAFLD histology activity using steatosis, ballooning, lobular inflammation, and portal inflammation.
Hepatology / Pediatrics · Liver · Updated 4/19/2026
PELD (Pediatric End-Stage Liver Disease) score for pediatric liver transplant prioritization (younger than 12 years): ln(bilirubin), ln(INR), ln(albumin) plus age<1 and growth failure terms.
Hepatology / Pediatrics · Liver Transplant · Updated 4/19/2026
Proposed pediatric autoimmune liver disease scoring system for AIH/ASC classification (simplified weights in UI).
Hepatology / Pediatrics · Liver · Updated 4/19/2026
Adjunct data-capture for VOCAL–Penn variables with link to the spline-validated mortality calculator.
Hepatology / Surgery · Risk Scores · Updated 4/19/2026
Banff-style RAI sum (portal, bile duct, venous endothelium grades 1–3 each).
Hepatology / Transplant · GI and Liver Calculators · Updated 4/19/2026
Educational lookup linking selected antibodies to commonly associated diseases.
Immunology · Laboratory Medicine · Updated 4/19/2026
Age-grouped reference ranges for IgG subclasses (IgG1–IgG4) using pediatric reference interval lookup (educational).
Immunology · Laboratory Medicine · Updated 4/19/2026
Age-grouped pediatric reference intervals for IgG, IgA, IgM, plus total IgE (simplified model) (educational).
Immunology · Laboratory Medicine · Updated 4/19/2026
Age-grouped reference percent ranges for lymphocyte subsets (CD3, CD4, CD8, CD4/CD8 ratio, CD19).
Immunology · Laboratory Medicine · Updated 4/19/2026
Age-grouped absolute reference count ranges (cells/µL) for lymphocyte subsets (CD3, CD4, CD8, CD19, CD16/56).
Immunology · Laboratory Medicine · Updated 4/19/2026
Broad pediatric C3/C4 mg/dL reference bands (verify locally).
Immunology · Laboratory Calculators · Updated 4/19/2026
Hospital presentation mortality stratification (0–21) from age, sex, comorbidities, respiratory rate, SpO₂, GCS, urea, and CRP.
Infectious Disease · Prognosis · Updated 4/19/2026
Weight-based antimicrobial daily dose estimate for selected pediatric regimens.
Infectious Disease · Pharmacology · Updated 4/19/2026
Computes breakpoint-to-MIC quotient for antimicrobial exposure context.
Infectious Disease · Pharmacology · Updated 4/19/2026
Strep pharyngitis pretest clinical score using Centor criteria plus age adjustment.
Infectious Disease · Diagnosis · Updated 4/19/2026
CKD-EPI eGFR plus albuminuria category and HIV medication risk toggles.
Infectious Disease · Nephrology · Updated 4/19/2026
Computes absolute eosinophil count (AEC) from total white blood cell count and eosinophil percentage.
Laboratory Medicine · Hematology · Updated 4/19/2026
Computes absolute lymphocyte count (ALC) from white blood cell count and lymphocyte percentage.
Laboratory Medicine · Hematology · Updated 4/19/2026
Computes absolute neutrophil count (ANC) from neutrophil %, band %, and white blood cell count.
Laboratory Medicine · Hematology · Updated 4/19/2026
Calculates absolute reticulocyte count (ARC) and corrected reticulocyte percentage from reticulocyte %, hematocrit, normal hematocrit, and RBC count.
Laboratory Medicine · Hematology · Updated 4/19/2026
Calculates red blood cell indices including MCV, MCH, and MCHC.
Laboratory Medicine · Hematology · Updated 4/19/2026
Corrected calcium estimate from measured total calcium and albumin.
Laboratory Medicine · Electrolytes · Updated 4/19/2026
Quick chemistry-derived metrics including anion gap and BUN/creatinine ratio.
Laboratory Medicine · Biochemistry · Updated 4/19/2026
Common SI ↔ conventional lab conversions (glucose, creatinine, calcium, BUN, bilirubin).
Laboratory Medicine · Conversion Calculators · Updated 4/19/2026
Solves infusion rate for a target glucose infusion rate during acute glycemic management in GSD.
Metabolic Genetics · Inborn Errors of Metabolism · Updated 4/19/2026
Metcoff Clinical Assessment of Nutritional status: nine body regions graded 1–4 (worse to preserved nutrition), summed to 9–36. Common threshold <24–25 for fetal malnutrition; use alongside birthweight/length for gestational age and clinical context.
Neonatology · Growth & Development · Updated 4/19/2026
Computes mg/kg/min dextrose delivery from infusion rate, dextrose percentage, and weight.
Neonatology · Nutrition · Updated 4/19/2026
HINE optimality total (max 78) from 26 items scored 0–3: cranial nerves, posture, movements, tone, reflexes/reactions. Behaviour and milestones are not summed. Requires certified training and the official paper proforma (e.g. v 08.02.19).
Neonatology · Neurology · Updated 4/19/2026
Educational surfactant volume approximation using birth weight (initial 2.5 mL/kg; max cumulative up to 5 mL/kg).
Neonatology · Respiratory · Updated 4/19/2026
Gestational age estimate using New Ballard neuromuscular and physical maturity scoring.
Neonatology · Growth & Development · Updated 4/19/2026
Educational formula-based partial exchange transfusion volume estimate.
Neonatology · Hematology · Updated 4/19/2026
Rule-of-thumb UAC length from birth weight.
Neonatology · Procedure Calculators · Updated 4/19/2026
Shukla-style UVC insertion depth from birth weight.
Neonatology · Procedure Calculators · Updated 4/19/2026
Bhutani-like bilirubin risk-zone mapping from age in hours and TSB in mg/dL.
Neonatology / Pediatrics · Neonatal Jaundice · Updated 4/19/2026
Qualitative drug-exposure and clinical feature checklist for DI-AIN suspicion.
Nephrology · Acute Kidney Injury · Updated 4/19/2026
AKI severity from baseline vs current creatinine and optional UOP/RRT flags.
Nephrology · Acute Kidney Injury · Updated 4/19/2026
Anion gap and albumin-corrected anion gap calculator.
Nephrology · Electrolytes · Updated 4/19/2026
Estimated total body bicarbonate deficit (mEq) from weight and serum bicarbonate.
Nephrology · Electrolytes · Updated 4/19/2026
Net fluid balance from total intake minus total output (mL) over an interval.
Nephrology · Fluids · Updated 4/19/2026
Ratio of BUN to serum creatinine (mg/dL) with contextual interpretation.
Nephrology · Renal Function · Updated 4/19/2026
Race-free estimated GFR from serum creatinine, age, and sex (adults ≥18). KDIGO G-staging.
Nephrology · Renal Function · Updated 4/19/2026
Estimates CrCl for drug dosing from age, weight, sex, and serum creatinine.
Nephrology · Renal Function · Updated 4/19/2026
Calculates measured creatinine clearance from timed urine collection.
Nephrology · Renal Function · Updated 4/19/2026
FEMg % using concurrent urine/serum magnesium and creatinine (mg/dL).
Nephrology · Electrolytes · Updated 4/19/2026
FEMg % with magnesium mmol/L and creatinine umol/L.
Nephrology · Electrolytes · Updated 4/19/2026
FENa (%) = (urine Na × serum Cr) / (serum Na × urine Cr) × 100 using mEq/L for sodium and mg/dL for creatinine. Helps distinguish prerenal vs intrinsic AKI; confounded by diuretics, CKD, contrast, and other settings.
Nephrology · Acute Kidney Injury · Updated 4/19/2026
FEUrea (%) = (Urine urea × Serum Cr) / (Serum urea × Urine Cr) × 100. Often used when diuretics reduce FENa reliability.
Nephrology · Acute Kidney Injury · Updated 4/19/2026
Estimates free water deficit: TBW × ((current Na / target Na) − 1).
Nephrology · Electrolytes · Updated 4/19/2026
Computes pH using Henderson-Hasselbalch: pH = pKa + log10(A- / HA).
Nephrology · Acid-Base · Updated 4/19/2026
Practical CKD progression risk estimate from age, eGFR, and albuminuria.
Nephrology · CKD · Updated 4/19/2026
Height-based kidney length percentiles (LMS) and BSA-related single-kidney volume (BSARV × Du Bois BSA) from weight and height. Ped(z) cites Deeg & Weitzel (1997) and Scholbach & Weitzel (2012); embedded Obrycki et al. 2022 LMS (PMC9023417) and Scholbach Table 1 (PMC3820439). Not affiliated with pedz.de.
Nephrology · Pediatric Nephrology · Updated 4/19/2026
Approximate non-steady-state kidney function from serial creatinine values.
Nephrology · Acute Kidney Injury · Updated 4/19/2026
Approximates spKt/V from pre/post dialysis BUN reduction.
Nephrology · Dialysis · Updated 4/19/2026
Renal ultrasound chronicity checklist (educational proxy).
Nephrology · Imaging · Updated 4/19/2026
Approximate risk stratification for severe AKI/RRT in rhabdomyolysis.
Nephrology · Acute Kidney Injury · Updated 4/19/2026
Historical MDRD estimated GFR equation from serum creatinine, age, and sex.
Nephrology · Renal Function · Updated 4/19/2026
eGFR category interpretation with simplified CKD stage thresholds.
Nephrology · Laboratory Medicine · Updated 4/19/2026
Estimated GFR (mL/min/1.73 m²) with Grubb 2014 CAPA, CKiD 2012 NKF combined and cystatin bedside, Schwartz bedside 2009, CKiD creatinine k, Filler 2003, Grubb 2005, Counahan 1976, Schwartz 1976; KDIGO 2012 G-staging. Zappitelli 2006 and Bouvet 2006 not coefficient-embedded. Not affiliated with pedz.de.
Nephrology · Pediatric Nephrology · Updated 4/19/2026
CrCl-band multipliers for approximate renal dose adjustment (verify per drug).
Nephrology · Renal Calculators · Updated 4/19/2026
RIFLE AKI class screening from creatinine change and urine output.
Nephrology · Acute Kidney Injury · Updated 4/19/2026
Calculated serum osmolarity from sodium, glucose, BUN, and optional ethanol.
Nephrology · Electrolytes · Updated 4/19/2026
Cockcroft-Gault estimate using serum creatinine in umol/L.
Nephrology · Renal Function · Updated 4/19/2026
Computes sodium change rate per 24 hours for safety monitoring.
Nephrology · Electrolytes · Updated 4/19/2026
Estimated sodium deficit using TBW and target sodium.
Nephrology · Electrolytes · Updated 4/19/2026
Calculates TTKG from urine/serum potassium and osmolality.
Nephrology · Electrolytes · Updated 4/19/2026
Approximates daily protein excretion from UPCR and body surface area.
Nephrology · Renal Function · Updated 4/19/2026
Calculates UAG = urine Na + urine K − urine Cl.
Nephrology · Electrolytes · Updated 4/19/2026
Urine output rate (mL/kg/hr) and I/O balance over a window.
Nephrology · Renal Calculators · Updated 4/19/2026
TBW from age, height, weight — pediatric fractions vs Watson adult.
Nephrology / Apheresis · Fluid Calculators · Updated 4/19/2026
Katz and Hillier corrected sodium for hyperglycemia.
Nephrology / Emergency · Renal Calculators · Updated 4/19/2026
EEG feature checklist (0–7) for seizure risk stratification on continuous monitoring in critically ill patients.
Neurology · Critical Care · Updated 4/19/2026
Ellipsoid CT estimate: A×B×C/2 in cm → mL for ICH volume tracking.
Neurology · Neurocritical Care · Updated 4/19/2026
Age, BP, clinical features, symptom duration, diabetes — 0–7 with early stroke risk framing.
Neurology · Stroke · Updated 4/19/2026
Computes CPP from mean arterial pressure and intracranial pressure.
Neurology · Critical Care · Updated 4/19/2026
Sheiner-Tozer corrected total phenytoin concentration estimate.
Neurology · Pharmacology · Updated 4/19/2026
Garro pediatric clinical prediction: headache ≥7d, CSF mononuclear ≥70%, CN palsy.
Neurology / Infectious Diseases · Infectious Calculators · Updated 4/19/2026
mL/hour and drops/min from volume, duration, and drop factor.
Nursing · Pharmacology · Updated 4/19/2026
Estimates basal metabolic rate using common predictive equations.
Nutrition · Metabolism · Updated 4/19/2026
Educational biological value lookup for common food proteins.
Nutrition · Dietary Assessment · Updated 4/19/2026
Age- and sex-based dietary reference intake estimates for selected nutrients.
Nutrition · Dietary Assessment · Updated 4/19/2026
Educational fruit nutrition macros per 100g for selected fruits.
Nutrition · Nutrition · Updated 4/19/2026
Approximate IOM-style RDA/AI targets by age/sex for selected micronutrients.
Nutrition · Nutrition Calculators · Updated 4/19/2026
Schofield weight-based BMR estimate (kcal/day) by age band.
Nutrition · Nutrition Calculators · Updated 4/19/2026
Protein requirement estimate by age band (g/kg/day approximation).
Nutrition / Pediatrics · Nutrition · Updated 4/19/2026
Bishop score to assess cervical favorability for induction.
Obstetrics · Labor & Delivery · Updated 4/19/2026
Estimates conception date from expected due date using standard gestational timing.
Obstetrics · Pregnancy · Updated 4/19/2026
Fetal cardiac z-scores (valves, LVEDD/RVEDD, circumference) vs menstrual age or BPD/femur length. Ped(z) cites Lee 2010; embedded Schneider 2005 ln-ln, Traisrisilp 2011 CC, Kim 2016 biometry cross-check. Not affiliated with pedz.de.
Obstetrics · Maternal Fetal Medicine · Updated 4/19/2026
Race-free logistic success estimate (Grobman / MFMU network update) from age, height, pre-pregnancy weight, prior delivery history, arrest indication, and treated hypertension.
Obstetrics · Pregnancy Calculators · Updated 4/19/2026
Admission score predicting trial of labor after cesarean success (historical cohorts).
Obstetrics · Pregnancy Calculators · Updated 4/19/2026
Rh(D) immune globulin dosage estimation using maternal blood volume and fetal cells percentage (Kleihauer-Betke equivalent inputs).
Obstetrics / Hematology · Obstetrics · Updated 4/19/2026
Estimated due date (EDD) using Naegele’s rule: EDD = LMP + 280 days.
Obstetrics / Pediatrics · Pregnancy · Updated 4/19/2026
Completed gestational age as of a reference date from EDD by Naegele (LMP + 280 days) and/or clinical EDD. Shows dating discrepancy and GA difference. Inspired by Ped(z) gestational age; not affiliated with pedz.de.
Obstetrics & Gynecology · Pregnancy · Updated 4/19/2026
Heuristic risk flags for cisplatin nephrotoxicity prevention.
Oncology · Nephrology · Updated 4/19/2026
Simplified creatinine-rise grading aid for suspected immune checkpoint inhibitor nephritis.
Oncology · Nephrology · Updated 4/19/2026
Pediatric ALL risk flag checklist (educational).
Oncology · Oncology Calculators · Updated 4/19/2026
Pediatric AML simplified adverse vs favorable feature triage.
Oncology · Oncology Calculators · Updated 4/19/2026
EOR and neuraxis dissemination triage.
Oncology · Oncology Calculators · Updated 4/19/2026
Localized vs regional vs metastatic Ewing family tumor.
Oncology · Oncology Calculators · Updated 4/19/2026
PRETEXT-oriented hepatoblastoma patterning.
Oncology · Oncology Calculators · Updated 4/19/2026
Ann Arbor-style extent checklist (simplified).
Oncology · Oncology Calculators · Updated 4/19/2026
Localized vs metastatic vs molecular subgroup flags.
Oncology · Oncology Calculators · Updated 4/19/2026
INRG L1/L2/M/MS pattern triage.
Oncology · Oncology Calculators · Updated 4/19/2026
St Jude Murphy stage analogue.
Oncology · Oncology Calculators · Updated 4/19/2026
NRSTS local risk vs metastatic grouping.
Oncology · Oncology Calculators · Updated 4/19/2026
Localized vs nodal vs metastatic osteosarcoma.
Oncology · Oncology Calculators · Updated 4/19/2026
Pediatric ovarian extent FIGO-style simplification.
Oncology · Oncology Calculators · Updated 4/19/2026
Intraocular vs high-risk path vs extraocular patterning.
Oncology · Oncology Calculators · Updated 4/19/2026
IRS clinical group style RMS buckets.
Oncology · Oncology Calculators · Updated 4/19/2026
Pediatric germ cell local vs nodal vs metastatic.
Oncology · Oncology Calculators · Updated 4/19/2026
Wilms SIOP/COG-oriented simplified buckets.
Oncology · Oncology Calculators · Updated 4/19/2026
Lansky Play-Performance Scale mapping for functional status on a 0–100 scale.
Oncology / Pediatrics · Functional Status · Updated 4/19/2026
Kocher criteria checklist (0–4) using non-weight-bearing, fever, ESR, and WBC thresholds.
Orthopedics / Pediatrics · Infectious Diseases · Updated 4/19/2026
Six-item clinical severity score for congenital talipes equinovarus: hindfoot contracture (posterior crease, empty heel, rigid equinus) and midfoot contracture (lateral border curvature, medial crease, lateral talar head), each graded 0, 0.5, or 1. Total 0–6.
Orthopedics / Pediatrics · Musculoskeletal · Updated 4/19/2026
Counts adverse prognostic factors used in pediatric Hodgkin lymphoma risk stratification.
Pediatric Oncology · Oncology · Updated 4/19/2026
PRETEXT factor P (portal vein involvement): portal obliteration/encasement or intravascular portal thrombus.
Pediatric Oncology · Hepatoblastoma · Updated 4/19/2026
PRETEXT factor V (hepatic vein/IVC involvement): hepatic vein/IVC obliteration/encasement or intravascular hepatic vein thrombus.
Pediatric Oncology · Hepatoblastoma · Updated 4/19/2026
PRETEXT annotation factors checklist: extrahepatic spread, multifocality, rupture, caudate involvement, lymph nodes, and distant metastases.
Pediatric Oncology · Hepatoblastoma · Updated 4/19/2026
PRETEXT staging (simplified heuristic) using V/P/E/R/F and M+ plus age and AFP bands.
Pediatric Oncology · Hepatoblastoma · Updated 4/19/2026
Hour-specific total serum bilirubin thresholds (mg/dL) for phototherapy (Fig 2–3) and exchange transfusion (Fig 5–6) in infants ≥35 weeks gestation, with neurotoxicity risk-factor pathway, escalation (exchange −2 mg/dL), and B/A ratio checks per AAP 2022 CPG.
Pediatrics · Neonatology · Updated 4/19/2026
Implements AAP 2022 discharge follow-up bands from bilirubin distance to phototherapy threshold (Fig 7), plus KAS 6 (TcB to TSB trigger) and KAS 7 rapid rise thresholds.
Pediatrics · Neonatology · Updated 4/19/2026
2017 AAP guideline. Classifies BP as Normal, Elevated, Stage 1, or Stage 2 HTN. Children 1–12 y: percentile-based by age, sex, height; adolescents ≥13 y: adult cutoffs (120/80, 130/80, 140/90). Diagnosis requires 3 visits.
Pediatrics · Cardiovascular · Updated 4/19/2026
Evaluate newborn condition at 1 and 5 minutes after birth using the standardized APGAR scoring system.
Pediatrics · Neonatology · Updated 4/19/2026
API framework using recurrent wheeze plus major/minor risk criteria.
Pediatrics · Respiratory · Updated 4/19/2026
Risk stratification checklist for bacterial meningitis in children with CSF pleocytosis.
Pediatrics · Infectious Disease · Updated 4/19/2026
Post-operative pediatric observational pain score.
Pediatrics · Pain Management · Updated 4/19/2026
Plot total serum bilirubin against age in hours to assess risk of hyperbilirubinemia in newborns.
Pediatrics · Neonatology · Updated 4/19/2026
BP percentiles by sex, DOB, reference date, height: daytime SBP/DBP plus nighttime at 90% daytime (Ped(z)-style). Embedded Fourth Report–style grid; KiGGS not reproduced. Not affiliated with pedz.de.
Pediatrics · Cardiovascular · Updated 4/19/2026
Same clinical role as pedz.de body percentiles: sex, dates, anthropometry, z-scores and percentiles for BMI, height/length, weight, weight-for-length, head — YMed uses CDC 2000 LMS only; KiGGS, Kromeyer-Hauschild, WHO-only, Down, and other Ped(z) references are not embedded.
Pediatrics · Growth & Development · Updated 4/19/2026
Calculate body surface area for pediatric patients, essential for drug dosing, GFR calculation, and fluid management.
Pediatrics · General · Updated 4/19/2026
Estimate skeletal maturity from hand and wrist radiographs using Greulich–Pyle standards: match the X-ray to atlas images, enter chronological age, and review bone age versus chronological age with SD-based interpretation.
Pediatrics · Growth & Development · Updated 4/19/2026
AAP low-risk BRUE criteria checklist for infants.
Pediatrics · Emergency · Updated 4/19/2026
Haycock BSA; Pettersen-style MV/AoV annulus z-scores; FS% from LVEDD/LVESD. Ped(z) lists many additional references (Kampmann, Koestenberger, etc.)—not all embedded. Not affiliated with pedz.de.
Pediatrics · Cardiovascular · Updated 4/19/2026
Canadian Assessment of Tomography for Childhood Head Injury decision support.
Pediatrics · Emergency · Updated 4/19/2026
CSF risk index from glucose, protein, and WBC pattern.
Pediatrics · Infectious Disease · Updated 4/19/2026
Children's Hospital of Eastern Ontario Pain Scale behavioral scoring tool.
Pediatrics · Pain Management · Updated 4/19/2026
Pediatric/young adult eGFR from height and creatinine (Schwartz CKiD k constants). Ages ≤25.
Pediatrics · Nephrology · Updated 4/19/2026
Estimates CSF WBC corrected for RBC contamination in traumatic tap.
Pediatrics · Laboratory Medicine · Updated 4/19/2026
Adjusts CSF protein estimate for traumatic blood contamination.
Pediatrics · Laboratory Medicine · Updated 4/19/2026
Weight-based resuscitation drug dose estimates for selected ACLS/PALS scenarios.
Pediatrics · Emergency Medicine · Updated 4/19/2026
Oral insertion depth estimate and 6–8 mL/kg tidal volume band.
Pediatrics · Airway · Updated 4/19/2026
Estimated cuffed/uncuffed internal diameter from age.
Pediatrics · Airway · Updated 4/19/2026
Face, legs, activity, cry, consolability (0–10) pediatric pain score.
Pediatrics · Pain Management · Updated 4/19/2026
Calculate and plot pediatric growth parameters including height, weight, BMI, and head circumference on WHO and CDC growth charts.
Pediatrics · Growth & Development · Updated 4/19/2026
Simplified head circumference percentile estimate by age (months/years), sex, and measured head circumference (educational).
Pediatrics · Growth & Development · Updated 4/19/2026
Simplified predicted adult height estimate from age and current height (educational).
Pediatrics · Growth & Development · Updated 4/19/2026
Checklist-based educational evaluation: at least 2 of 4 criteria (palpable purpura, age ≤20 at onset, bowel angina, biopsy granulocytes).
Pediatrics · Rheumatology · Updated 4/19/2026
Simplified educational interpolation of selected milk nutrients by postpartum age (months).
Pediatrics · Nutrition · Updated 4/19/2026
TSB risk zones from DOB, current date (age in hours), bilirubin (mg/dL or µmol/L), optional Coombs+ surrogate, GA for context. Simplified Bhutani-like curve—not AWMF 024/007. Inspired by Ped(z) bili; not affiliated with pedz.de.
Pediatrics · Neonatology · Updated 4/19/2026
Hour-specific bilirubin risk zone for newborns using simplified threshold interpolation (educational).
Pediatrics · Neonatology · Updated 4/19/2026
Birthweight centile (3rd–97th) for sex-specific gestational age from 33+0 to 42+6 weeks using INTERGROWTH-21st International Newborn Size Standards. Classifies SGA (<10th), AGA, and LGA (>90th) with clinical notes.
Pediatrics · Neonatology · Updated 4/19/2026
Kawasaki disease diagnostic criteria (major: fever >=5 days; minor: at least 4 of 7 listed features).
Pediatrics · Cardiology · Updated 4/19/2026
Birth weight, length, and head circumference centiles and z-scores for completed gestational age 23+0 to 42+6 weeks, by sex. Uses UK-WHO preterm British 1990 LMS (RCPCH growth-references, MIT). Same clinical role as pedz.de neonatal birth percentiles; not Fenton/Voigt.
Pediatrics · Neonatology · Updated 4/19/2026
Phototherapy and exchange transfusion TSB thresholds (mg/dL) by gestational age (23–≥38 wks) and postnatal age band, based on NICE Clinical Guideline 98 treatment threshold graphs.
Pediatrics · Neonatology · Updated 4/19/2026
Typical educational respiratory rate reference ranges by age group.
Pediatrics · Vital Signs · Updated 4/19/2026
Educational simplified albumin reference range (3.5–5.0 g/dL).
Pediatrics · Laboratory Medicine · Updated 4/19/2026
Educational simplified ALP reference ranges by age band.
Pediatrics · Laboratory Medicine · Updated 4/19/2026
Educational simplified AFP reference ranges by age band.
Pediatrics · Laboratory Medicine · Updated 4/19/2026
Educational simplified LDH reference range.
Pediatrics · Laboratory Medicine · Updated 4/19/2026
Predicts risk of radiographic pneumonia in children 3 months to 18 years. Variables: age, triage SpO2, fever, rales, wheeze. AUC ~0.69-0.71.
Pediatrics · Respiratory · Updated 4/19/2026
Clinical decision rule to identify children at very low risk of clinically important TBI (ci-TBI) after blunt head trauma. Age-specific criteria for <2 years and ≥2 years. Guides CT imaging; not a substitute for clinical judgment.
Pediatrics · Diagnosis · Updated 4/19/2026
Quantifies risk of appendicitis on a continuous scale for children 5–18 years presenting with acute abdominal pain. Validated AUC 0.85 (95% CI 0.83–0.87).
Pediatrics · Diagnosis · Updated 4/19/2026
Clinical score (0–10) for appendicitis evaluation in children. Eight criteria: migration of pain to RLQ, neutrophilia >75%, leukocytosis >10k, nausea/vomiting, fever >38°C, anorexia, RLQ tenderness on palpation (2), RLQ pain with cough/percussion/hopping (2). Use with clinical judgment and imaging when indicated.
Pediatrics · Diagnosis · Updated 4/19/2026
Assess asthma exacerbation severity in children 2+ years. Five components, 1-3 points each; total 5-15. 5-7 mild, 8-11 moderate, 12-15 severe.
Pediatrics · Respiratory · Updated 4/19/2026
Calculate and interpret BMI percentiles specifically for children and adolescents aged 2-20 years.
Pediatrics · Growth & Development · Updated 4/19/2026
Calculate and visualize blood pressure percentiles for children and adolescents (ages 1-16) based on age, gender, height, and BP readings.
Pediatrics · Cardiovascular · Updated 4/19/2026
Calculate weight- or BSA-based medication dosing for pediatric patients with safety checks and common drug-specific calculations.
Pediatrics · Pharmacology · Updated 4/19/2026
Early recognition of deteriorating pediatric patients. Scores behavior (level of consciousness), cardiovascular (skin/CRT), and respiratory (rate/effort/O₂) parameters. Total 0–9 with escalation guidance. Staff/carer concern overrides score.
Pediatrics · Critical Care · Updated 4/19/2026
Calculate maintenance fluid requirements and deficit replacement for pediatric patients using Holliday-Segar method.
Pediatrics · Critical Care · Updated 4/19/2026
Calculate estimated Glomerular Filtration Rate (eGFR) in pediatric patients using the updated Schwartz formula.
Pediatrics · Nephrology · Updated 4/19/2026
Assess neurological status in pediatric patients using age-appropriate Glasgow Coma Scale criteria.
Pediatrics · Neurology · Updated 4/19/2026
Calculates fluid status in volume per weight and volume per weight per time. Enter weight, intake, output (mL), and period (hours) for net balance, mL/kg, and mL/kg/hr; compare to maintenance.
Pediatrics · Critical Care · Updated 4/19/2026
Pediatric adaptation of NIHSS: same 15 items, 0-42 total. Age-appropriate instructions. Do not delay emergent care for scoring.
Pediatrics · Neurology · Updated 4/19/2026
Applies international pediatric consensus criteria for SIRS (≥2 criteria with abnormal temperature or leukocyte count), sepsis, severe sepsis, and septic shock based on infection and organ dysfunction.
Pediatrics · Critical Care · Updated 4/19/2026
Rapid triage of injured children. Six components, each -1 to +2; total -6 to +12. 9-12 minor, 6-8 potentially life-threatening, 0-5 life-threatening, less than 0 usually fatal.
Pediatrics · Critical Care · Updated 4/19/2026
Ponderal (Rohrer) index as weight divided by cubed stature: PI (kg/m³). Reports neonatal convention 100 × birth weight (g) ÷ crown-heel length (cm)³ for proportionality screening with clinical context.
Pediatrics · Growth & Development · Updated 4/19/2026
PIAMA preschool risk score risk-band stratification for later asthma.
Pediatrics · Respiratory · Updated 4/19/2026
Pediatric eGFR using 0.413 × height(cm) / serum creatinine(mg/dL).
Pediatrics · Nephrology · Updated 4/19/2026
Syringe pump: mg in volume, rate mL/h, weight kg → delivery; or solve rate or drug mass for a target dose (mg/kg/h or mg/h). Inspired by Ped(z) perfusor; not affiliated with pedz.de.
Pediatrics · Pharmacology · Updated 4/19/2026
Simplified risk checklist for vesicoureteral reflux progression/recurrence.
Pediatrics · Urology · Updated 4/19/2026
Same calculator as Pediatric target height (mid-parental): parental heights and child sex for expected adult stature and an approximate range.
Pediatrics / Endocrinology · Growth & Development · Updated 4/19/2026
Glucocorticoid dose conversion using classic equivalence table.
Pharmacology · Drug Calculators · Updated 4/19/2026
Quick reference targets for common TDM drugs.
Pharmacology · Drug Calculators · Updated 4/19/2026
Seven items 0–4 each (simplified documentation aid for tardive/drug-induced movement monitoring).
Psychiatry · Neurology · Updated 4/19/2026
DSM-5 criteria A-C checklist support with optional BMI severity grouping.
Psychiatry · Mental Health · Updated 4/19/2026
DSM-5 ADHD symptom-domain and contextual criteria support (inattention/hyperactivity counts plus impairment checks).
Psychiatry · Mental Health · Updated 4/19/2026
DSM-5 ARFID criteria checklist (A-D) with required exclusion checks.
Psychiatry · Mental Health · Updated 4/19/2026
DSM-5 binge eating disorder criteria support checklist.
Psychiatry · Mental Health · Updated 4/19/2026
DSM-5 body dysmorphic disorder criteria support checklist.
Psychiatry · Mental Health · Updated 4/19/2026
DSM-5 bulimia nervosa criteria support checklist.
Psychiatry · Mental Health · Updated 4/19/2026
DSM-5 criteria checklist support for conduct disorder symptom domains.
Psychiatry · Mental Health · Updated 4/19/2026
DSM-5 checklist support for disruptive mood dysregulation disorder criteria.
Psychiatry · Mental Health · Updated 4/19/2026
DSM-5 checklist support for persistent depressive disorder criteria.
Psychiatry · Mental Health · Updated 4/19/2026
DSM-5 GAD symptom and context checklist including associated symptom count.
Psychiatry · Mental Health · Updated 4/19/2026
DSM-5 major depressive episode/disorder checklist: >=5 symptoms (A criteria) with required additional exclusions (simplified educational logic).
Psychiatry · Mental Health · Updated 4/19/2026
DSM-5 manic episode checklist: >=1 week plus 3 symptoms (4 if mood only irritable) and required exclusions (simplified educational logic).
Psychiatry · Mental Health · Updated 4/19/2026
DSM-5 simplified ODD checklist based on symptom counts and required exclusions.
Psychiatry · Mental Health · Updated 4/19/2026
DSM-5 simplified panic disorder/agoraphobia checklist based on symptom counts, persistence, and required exclusions.
Psychiatry · Mental Health · Updated 4/19/2026
Nine-item Patient Health Questionnaire depression scale for symptom screening and severity stratification (score 0–27).
Psychiatry · Mental Health · Updated 4/19/2026
DSM-5 PTSD symptom checklist for children <=6 years (A: exposure, B: intrusion >=1, C: avoidance/negative alterations >=1, D: arousal >=2).
Psychiatry · Mental Health · Updated 4/19/2026
Simplified DSM-5 separation anxiety checklist.
Psychiatry · Psychosocial Calculators · Updated 4/19/2026
Simplified DSM-5 social anxiety disorder checklist.
Psychiatry · Psychosocial Calculators · Updated 4/19/2026
Simplified DSM-5 SCD pragmatic communication checklist.
Psychiatry / Neurodevelopment · Psychosocial Calculators · Updated 4/19/2026
pH, PaCO₂, HCO₃⁻; Winter formula; optional anion gap.
Pulmonology · Critical Care · Updated 4/19/2026
Calculates alveolar oxygen tension and A-a gradient from atmospheric pressure, FiO2, PaCO2, and PaO2, with age-adjusted expected gradient.
Pulmonology · Respiratory · Updated 4/19/2026
Calculates AHI from apnea-hypopnea events and total sleep hours with adult/pediatric severity bands.
Pulmonology · Sleep Medicine · Updated 4/19/2026
Rough reference FEV1 from age and height; use GLI reference equations for lung function reporting.
Pulmonology · Pulmonary Function · Updated 4/19/2026
Simplified spirometry interpretation using FEV1/FVC ratio and bronchodilator response (and optional FVC% predicted for restrictive pattern).
Pulmonology · Pulmonary Function · Updated 4/19/2026
Modified Asthma Predictive Index: requires recurrent wheeze (>=4/year) plus >=1 major or >=2 minor criteria.
Pulmonology · Respiratory · Updated 4/19/2026
PASS: wheezing + work of breathing + expiration prolongation (0–6).
Pulmonology · Respiratory · Updated 4/19/2026
RDI = (apneas + hypopneas + RERAs) / sleep hours.
Pulmonology · Polysomnography Calculators · Updated 4/19/2026
Bateman-type exacerbations risk score from BMI, ACQ-5, FEV1, reliever use, and high-step therapy.
Pulmonology · Respiratory Calculators · Updated 4/19/2026
Kendig-inspired pediatric LRTI CXR + clinical tier score (educational).
Pulmonology · Respiratory Calculators · Updated 4/19/2026
Predicted 6MWD from height, weight, age, and sex using Enright reference equations; reports % predicted from observed distance.
Pulmonology · Pulmonary Function · Updated 4/19/2026
GLI-2012 z-scores and % predicted for FEV1, FVC, FEV1/FVC from sex, height, DOB, reference date, ethnicity. Vendored Automate-Medical gli2012 (FEF/FEV0.75 not in bundle). Not affiliated with pedz.de.
Pulmonology · Pulmonary Function · Updated 4/19/2026
Eight-item STOP-BANG questionnaire to estimate risk of obstructive sleep apnea in adults.
Pulmonology · Sleep Medicine · Updated 4/19/2026
PRAM score (0–12): oxygen saturation, retractions, air entry, and wheezing for acute pediatric asthma severity.
Pulmonology / Pediatrics · Respiratory · Updated 4/19/2026
Approximate predicted peak respiratory flow rates from height, age, sex; optional comparison to actual peak flow.
Pulmonology / Pediatrics · Pulmonary Function · Updated 4/19/2026
Approximate predicted spirometry values (PEFR, FVC, FEF50, FEF75) from height, age (months), and sex.
Pulmonology / Pediatrics · Pulmonary Function · Updated 4/19/2026
Typical splenic longitudinal length by age on ultrasound.
Radiology · Imaging Calculators · Updated 4/19/2026
Compares event rates between treatment and control (rate ratio, ARR, NNT).
Research Methods · Statistics · Updated 4/19/2026
Joint involvement, serology, acute-phase reactants, and symptom duration scoring; ≥6 supports definite RA classification.
Rheumatology · Classification · Updated 4/19/2026
Mandatory age, shoulder presentation, and laboratory features; clinical points without ultrasound or ultrasound-positive pathway.
Rheumatology · Classification · Updated 4/19/2026
Applies the 2015 ACR-EULAR gout classification framework with sufficient criterion and weighted domains.
Rheumatology · Diagnosis · Updated 4/19/2026
BASDAI-style ankylosing spondylitis disease activity estimate from 6 patient-reported 0-10 domains.
Rheumatology · Disease Activity · Updated 4/19/2026
Bath Ankylosing Spondylitis Global score from patient global assessments.
Rheumatology · Disease Activity · Updated 4/19/2026
ICBD points-based classification support for Behcet syndrome.
Rheumatology · Diagnosis · Updated 4/19/2026
Clinical-laboratory feature count for eosinophilic granulomatosis with polyangiitis education.
Rheumatology · Vasculitis · Updated 4/19/2026
ANA entry plus total weighted classification points (official table) for systemic lupus erythematosus.
Rheumatology · Autoimmune · Updated 4/19/2026
WPI and SSS threshold check; duration and exclusions still required clinically.
Rheumatology · Pain · Updated 4/19/2026
American College of Rheumatology classification criteria for giant cell (temporal) arteritis.
Rheumatology · Vasculitis · Updated 4/19/2026
Classification criteria for GPA (historically Wegener granulomatosis).
Rheumatology · Vasculitis · Updated 4/19/2026
ACR 1990 classification criteria checklist: count of criteria met (>=3 supports classification).
Rheumatology · Vasculitis · Updated 4/19/2026
Systemic sclerosis feature screen toward classification workup.
Rheumatology · Rheumatology Calculators · Updated 4/19/2026
Sjögren workup screen toward ACR/EULAR 2016 classification.
Rheumatology · Rheumatology Calculators · Updated 4/19/2026
SLEDAI-2K-style weighted lupus activity sum (0–105).
Rheumatology · Rheumatology Calculators · Updated 4/19/2026
Post-nephrectomy prognostic score for non-metastatic RCC: pathologic T/N stage, tumor size (cm), ISUP/Fuhrman nuclear grade, and histologic necrosis. Risk groups: low 0–2, intermediate 3–5, high ≥6 points. Reports estimated metastasis-free and cancer-specific survival at 1–10 years.
Urology · Oncology · Updated 4/19/2026
Post-nephrectomy RCC adverse-feature index (educational; not full nomogram).
Urology · Oncology · Updated 4/19/2026
Historical grading aid for clear-cell RCC pathology (grade 1-4).
Urology · Oncology · Updated 4/19/2026
Counts 6 adverse prognostic factors to classify favorable/intermediate/poor metastatic RCC risk.
Urology · Oncology · Updated 4/19/2026
Guideline-style checklist for cT1a small renal mass management pathways.
Urology · Oncology · Updated 4/19/2026
Metastatic RCC prognosis by adverse risk factors count.
Urology · Oncology · Updated 4/19/2026
Post-nephrectomy RCC recurrence feature checklist (educational proxy).
Urology · Oncology · Updated 4/19/2026
Checklist-style support for localized renal mass pathway discussions.
Urology · Oncology · Updated 4/19/2026
Anatomical complexity scoring for renal masses (R,E,N,A,L components).
Urology · Oncology · Updated 4/19/2026
Simplified Stage-Size-Grade-Necrosis adverse feature scoring for RCC.
Urology · Oncology · Updated 4/19/2026
Clinical prediction score aid for uncomplicated ureteral stone.
Urology · Emergency · Updated 4/19/2026
Simplified RCC risk grouping from stage, grade, and ECOG.
Urology · Oncology · Updated 4/19/2026