Interprets APACHE II total score (0-71) with broad mortality risk bands.

Severity Scoring · Updated 4/19/2026

Estimates base excess from bicarbonate and pH inputs.

Acid-Base · Updated 4/19/2026

Estimates total blood volume by weight and age group.

Fluids · Updated 4/19/2026

Parkland formula estimate for first 24-hour burn resuscitation fluid.

Fluids · Updated 4/19/2026

Converts elemental calcium to mmol/mEq and injectable calcium salt equivalents.

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).

Respiratory · Updated 4/19/2026

Maintenance + dehydration deficit replacement using Holliday-Segar style method (educational).

Fluids · Updated 4/19/2026

Mean arterial pressure approximation: MAP = (SBP + 2 × DBP) / 3.

Hemodynamics · Updated 4/19/2026

Mean vascular blood pressure approximation from SBP/DBP (computed using the same mean-pressure model).

Hemodynamics · Updated 4/19/2026

OSI calculation and simplified interpretation using FiO2%, mean airway pressure, and SpO2%.

Respiratory · Updated 4/19/2026

Expected respiratory compensation in metabolic acidosis.

Acid-Base · Updated 4/19/2026