Visually classifies stool into 7 types (hard pellets to watery) with clinical interpretation, gut transit time estimates, and management guidance for constipation and diarrhoea.

Gastrointestinal · Updated 4/19/2026

Cirrhosis severity: bilirubin, albumin, INR, ascites, encephalopathy. Classes A/B/C.

Liver · Updated 4/19/2026

Esophageal achalasia severity index from weight loss, duration, dilatation, and sigmoid esophagus.

Esophageal · Updated 4/19/2026

Height-adjusted rough percussion span estimate for adult context.

Physical Exam · Updated 4/19/2026

Pre-endoscopy risk stratification for acute upper gastrointestinal bleeding.

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.

Liver · Updated 4/19/2026

Infant Gastroesophageal Reflux Questionnaire (IGERQ) total score (simplified mapping) and interpretation using a score cut-off around 5.

Pediatrics · Updated 4/19/2026

IAIHG simplified AIH scoring using autoantibodies, IgG level, liver histology, and viral hepatitis exclusion (educational).

Liver · Updated 4/19/2026

Manning criteria checklist for IBS; meets if >= 3/6 features are present (educational).

Gastrointestinal · Updated 4/19/2026

ISHAK necroinflammatory activity index (activity components summed) and fibrosis stage from histology selections (educational).

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).

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.

Liver Failure · Updated 4/19/2026

Kleiner 2005 NAS: steatosis grade + lobular inflammation + ballooning (0–8).

Hepatology · Updated 4/19/2026

Educational simplified primary and total bile acid reference ranges.

Laboratory Medicine · Updated 4/19/2026

Simplified educational PCDAI scoring based on selected clinical categories (0–100).

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.

Inflammatory Bowel Disease · Updated 4/19/2026

Belafsky RFS from laryngoscopic findings; >7 suggests LPR on Pediatric Oncall.

GI and Liver Calculators · Updated 4/19/2026

RSI from nine 0–5 symptom items; ≥13 clinically significant on Pediatric Oncall.

GI and Liver Calculators · Updated 4/19/2026

Pre-endoscopy Rockall (age, shock, comorbidity).

GI and Liver Calculators · Updated 4/19/2026

Full Rockall score including endoscopic diagnosis and stigmata of recent hemorrhage.

GI and Liver Calculators · Updated 4/19/2026

Simplified Rome IV abdominal migraine checklist.

GI and Liver Calculators · Updated 4/19/2026

Simplified Rome IV aerophagia checklist.

GI and Liver Calculators · Updated 4/19/2026

Functional constipation: ≥2 Rome criteria with duration and exclusion.

GI and Liver Calculators · Updated 4/19/2026

Simplified Rome IV CVS checklist.

GI and Liver Calculators · Updated 4/19/2026

Simplified FAP-NOS checklist.

GI and Liver Calculators · Updated 4/19/2026

Core Rome IV FD symptoms with duration.

GI and Liver Calculators · Updated 4/19/2026

Simplified FNVS-style checklist.

GI and Liver Calculators · Updated 4/19/2026

Rome IV IBS checklist aligned with Pediatric Oncall structure.

GI and Liver Calculators · Updated 4/19/2026

Simplified NFI checklist (age ≥4 years).

GI and Liver Calculators · Updated 4/19/2026

Simplified Rome IV rumination checklist.

GI and Liver Calculators · Updated 4/19/2026

SAAG = serum albumin minus ascites albumin (g/dL).

GI and Liver Calculators · Updated 4/19/2026

Pediatric severe acute pancreatitis feature count (≥3 flagged).

GI and Liver Calculators · Updated 4/19/2026

Fecal osmotic gap from electrolytes ± measured stool osmolality.

GI and Liver Calculators · Updated 4/19/2026