Medical Calculators
ABCD² Score for TIA
Estimates the risk of stroke after a suspected transient ischemic attack (TIA).
Absolute Neutrophil Count (ANC)
Frequently used to assess neutropenic fever in chemotherapy patients.
Altitude-Adjusted PERC Rule
Rules out PE if no criteria are present; includes SaO₂ adjustment for altitude.
APACHE II Score
Estimates ICU mortality using the Acute Physiology and Chronic Health Evaluation II score.
Bicarbonate Deficit
Calculates the total body bicarbonate deficit.
BMI Calculator (Body Mass Index and BSA)
Calculates body mass index and body surface area.
Calcium Correction for Hypoalbuminemia and Hyperalbuminemia
Calculates a corrected calcium level for patients with hypoalbuminemia or hyperalbuminemia.
CHA₂DS₂-VASc Score for Atrial Fibrillation Stroke Risk
Calculates stroke risk for patients with atrial fibrillation.
Child-Pugh Score for Cirrhosis Mortality
Estimates cirrhosis severity.
Corrected QT Interval (QTc)
Corrects the QT interval for heart rate extremes (choose from Bazett, Fridericia, Framingham, Hodges, or Rautaharju formulas).
Corrected Reticulocyte Percentage/Reticulocyte Production Index (RPI)
Evaluates bone marrow response to anemia, often in sickle cell patients.
Creatinine Clearance (Cockcroft-Gault)
Calculates CrCl according to the Cockcroft-Gault equation.