Calculates CrCl according to the Cockcroft-Gault equation.

Estimates GFR in CKD patients using serum creatinine, cystatin C, or both.

Calculates mean arterial pressure.

Calculates body mass index and body surface area.

Calculates stroke risk for patients with atrial fibrillation.

Calculates a corrected calcium level for patients with hypoalbuminemia or hyperalbuminemia.

Objectifies risk of pulmonary embolism.

Estimates GFR in CKD patients using creatinine and patient characteristics.

Corrects the QT interval for heart rate extremes (choose from Bazett, Fridericia, Framingham, Hodges, or Rautaharju formulas).

Calculates ideal body weight (Devine formula) and adjusted body weight.

Quantifies stroke severity and monitors for neurological changes over time.

Calculates pregnancy dates from last period, gestational age, or date of conception.

Noninvasive estimate of liver scarring in HCV and HBV patients, to assess need for biopsy.

Estimates cirrhosis severity.

Predicts 6-week risk of major adverse cardiac events in patients with chest pain.

Determine 10-year risk of hard ASCVD, i.e. myocardial infarction, stroke, or death due to coronary heart disease or stroke.

Calculates maintenance fluid requirements by weight.

Calculates risk of DVT based on clinical criteria.

Estimates risk of cardiac complications after noncardiac surgery.

Calculates the actual sodium level in patients with hyperglycemia.

Rules out PE if no criteria are present and pre-test probability is ≤15%.

Converts steroid dosages using dosing equivalencies.

Coma severity based on Eye (4), Verbal (5), and Motor (6) criteria.

Calculates LDL based on total and HDL cholesterol and triglycerides.

Calculates free water deficit by estimated total body water in a patient with hypernatremia or dehydration.

Objectifies degree of depression severity.

Estimates probability that pharyngitis is streptococcal, and suggests management course.

Predicts ICU mortality based on lab results and clinical data.

Screens for obstructive sleep apnea.

Estimates mortality of community-acquired pneumonia to help determine inpatient vs. outpatient treatment.

Estimates risk of major bleeding for patients on anticoagulation to assess risk-benefit in atrial fibrillation care.

Determines if renal failure is due to prerenal or intrinsic pathology.

Predicts need for brain imaging after pediatric head injury.

Defines the severity of sepsis and septic shock.

Quantifies end-stage liver disease for transplant planning with sodium.

Evaluates states of metabolic acidosis.

Calculates expected serum osmolarity, for comparison to measured osmolality to detect unmeasured compounds in the serum.

Estimates mortality for adult patients with community-acquired pneumonia.

Approximates insulin resistance.

Estimates admission to 6 month mortality for patients with acute coronary syndrome.

The CIWA-Ar objectifies severity of alcohol withdrawal.

Predicts likelihood of appendicitis diagnosis.

Estimates 10-year risk of heart attack in patients 30-79 years with no history of CHD or diabetes.

Stratifies upper GI bleeding patients who are "low-risk" and candidates for outpatient management.

Calculates stroke risk for patients with atrial fibrillation; similar to the CHA₂DS₂-VASc Score but without considering sex.

Estimates the risk of stroke after a suspected transient ischemic attack (TIA).

Stratifies VTE risk in surgical patients, guiding prophylaxis decisions.

Determines anticoagulation need in hospitalized patients by risk of VTE.

Predicts risk of pulmonary complications after surgery, including respiratory failure.

Estimates ICU mortality.