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 stroke risk for patients with atrial fibrillation.

Objectifies risk of pulmonary embolism.

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

Quantifies stroke severity.

Estimates GFR in CKD patients using creatinine and patient characteristics.

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

Calculates body mass index and body surface area.

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

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

Calculates maintenance fluid requirements by weight.

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.

Estimates 10-year risk of heart disease or stroke to guide management strategies.

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

Converts steroid dosages using dosing equivalencies.

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

Estimates cirrhosis severity.

Calculates risk of DVT based on clinical criteria.

Calculates free water deficit by estimated total body water.

Estimates risk of cardiac complications after noncardiac surgery.

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

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

Predicts need for brain imaging after pediatric head injury.

Predicts ICU mortality based on lab results and clinical data.

Defines the severity of sepsis and septic shock.

Evaluates states of metabolic acidosis.

Objectifies degree of depression severity.

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

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

Interprets ABG.

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

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

Estimates mortality for adult patients with community-acquired pneumonia.

Calculates LDL based on total and HDL cholesterol and triglycerides.

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

The CIWA-Ar objectifies severity of alcohol withdrawal.

Predicts likelihood of appendicitis diagnosis.

Determines anticoagulation need in hospitalized patients by risk of VTE.

Rules out need for head CT in minor head trauma.

Calculates total daily morphine milligram equivalents.

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

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

Approximates insulin resistance.

Estimates ICU mortality.

Calculates recommended fluid type, rate, and volume to correct hyponatremia slowly (or more rapidly if seizing).

Stratifies VTE risk in surgical patients, guiding prophylaxis decisions.