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

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

Calculates maintenance fluid requirements by weight.

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

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

Calculates the actual sodium level in patients with hyperglycemia.

Calculates risk of DVT based on clinical criteria.

Estimates cirrhosis severity.

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

Estimates risk of cardiac complications after noncardiac surgery.

Predicts need for brain imaging after pediatric head injury.

Predicts ICU mortality based on lab results and clinical data.

Converts steroid dosages using dosing equivalencies.

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

Defines the severity of sepsis and septic shock.

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

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

Calculates LDL based on total and HDL cholesterol and triglycerides.

The CIWA-Ar objectifies severity of alcohol withdrawal.

Evaluates states of metabolic acidosis.

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

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

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

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

Predicts likelihood of appendicitis diagnosis.

Stratifies VTE risk in surgical patients, guiding prophylaxis decisions.

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

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

Determines anticoagulation need in hospitalized patients by risk of VTE.

Objectifies degree of depression severity.

Approximates insulin resistance.

Rules out need for head CT in minor head trauma.

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

Estimates mortality for adult patients with community-acquired pneumonia.

Interprets ABG.

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

Estimates ICU mortality.

Screens for obstructive sleep apnea.

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