Calculates CrCl according to the Cockcroft-Gault equation.

Calculates mean arterial pressure.

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

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

Objectifies risk of pulmonary embolism.

Calculates stroke risk for patients with atrial fibrillation.

Quantifies stroke severity and monitors for neurological changes over time.

Calculates body mass index and body surface area.

Estimates GFR in CKD patients using creatinine and patient characteristics.

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

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

Calculates maintenance fluid requirements by weight.

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

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

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

Calculates the actual sodium level in patients with hyperglycemia.

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

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

Calculates risk of DVT based on clinical criteria.

Estimates cirrhosis severity.

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

Estimates risk of cardiac complications after noncardiac surgery.

Converts steroid dosages using dosing equivalencies.

Predicts need for brain imaging after pediatric head injury.

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

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

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

Defines the severity of sepsis and septic shock.

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

Predicts ICU mortality based on lab results and clinical data.

Evaluates states of metabolic acidosis.

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

Estimates mortality for adult patients with community-acquired pneumonia.

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

Predicts likelihood of appendicitis diagnosis.

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

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

The CIWA-Ar objectifies severity of alcohol withdrawal.

Objectifies degree of depression severity.

Calculates LDL based on total and HDL cholesterol and triglycerides.

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

Rules out need for head CT in minor head trauma.

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

Determines anticoagulation need in hospitalized patients by risk of VTE.

Interprets ABG.

Stratifies VTE risk in surgical patients, guiding prophylaxis decisions.

Estimates ICU mortality.

Predicts 30-day outcome of patients with pulmonary embolism.

Differentiates cholestatic from hepatocellular liver injury, recommended by ACG guidelines.

Approximates insulin resistance.