ICU / Critical Care
28 calculators available
Corrected Calcium for Albumin
Corrects serum calcium for low albumin levels to assess true calcium status
24-Hour Fluid Balance
Calculates net fluid balance for volume status assessment and fluid management in hospitalized patients
Shock Index
Rapid assessment of hemodynamic status
FRAX® Fracture Risk Assessment
Estimates 10-year probability of major osteoporotic and hip fractures
Pediatric BMI Percentile
Calculates BMI percentile for children and adolescents (2-20 years) using CDC growth charts
APACHE II Score
Predicts ICU mortality using physiologic variables
APACHE IV Score
Updated ICU mortality prediction with improved accuracy
SAPS II (Simplified Acute Physiology Score)
ICU mortality prediction using 17 variables
Modified SOFA Score
Daily organ dysfunction assessment in ICU
RASS (Richmond Agitation-Sedation Scale)
Assesses sedation and agitation levels in ICU
CAM-ICU (Confusion Assessment Method for ICU)
Diagnoses delirium in mechanically ventilated patients
CPOT (Critical-Care Pain Observation Tool)
Pain assessment in non-communicative ICU patients
BPS (Behavioral Pain Scale)
Pain assessment in sedated mechanically ventilated patients
ABCDEF Bundle Compliance
Evidence-based ICU liberation bundle checklist
Vasoactive-Inotropic Score (VIS)
Quantifies cardiovascular support in critically ill patients
RSBI (Rapid Shallow Breathing Index)
Predicts successful extubation from mechanical ventilation
Burns Wean Assessment Program (BWAP)
Comprehensive weaning readiness assessment
NUTRIC Score (Nutrition Risk in Critically Ill)
Identifies ICU patients who benefit most from aggressive nutrition
Cumulative Fluid Balance Calculator
Tracks fluid accumulation and guides de-resuscitation
P/F Ratio (PaO₂/FiO₂)
Assesses oxygenation and ARDS severity
Oxygenation Index (OI)
Assesses oxygenation severity incorporating ventilator settings
ARDSNet PEEP/FiO₂ Table
Guides PEEP and FiO₂ titration in ARDS
Driving Pressure (ΔP)
Predicts mortality in ARDS better than tidal volume or PEEP alone
Mechanical Power
Quantifies total energy delivered to lungs by ventilator
Shock Index (SI)
Early marker of hemodynamic instability and occult shock
Modified Shock Index (MSI)
Enhanced shock detection using MAP instead of SBP
Pulse Pressure Variation (PPV)
Dynamic predictor of fluid responsiveness in mechanically ventilated patients
Stroke Volume Variation (SVV)
Dynamic predictor of fluid responsiveness using arterial waveform analysis
Passive Leg Raise (PLR) Test
Bedside test for fluid responsiveness without fluid administration
ScvO₂ (Central Venous Oxygen Saturation)
Marker of global tissue oxygenation and oxygen supply-demand balance
Lactate Clearance
Predicts mortality and guides resuscitation in sepsis and shock
MAP Target in Septic Shock
Individualized mean arterial pressure targets in septic shock
Abdominal Perfusion Pressure (APP)
Predicts organ dysfunction in abdominal compartment syndrome