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 a corrected calcium level for patients with hypoalbuminemia or hyperalbuminemia.

Estimates GFR in CKD patients using creatinine and patient characteristics.

Calculates stroke risk for patients with atrial fibrillation.

Quantifies stroke severity and monitors for neurological changes over time.

Objectifies risk of pulmonary embolism.

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

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.

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

Estimates cirrhosis severity.

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

Calculates the actual sodium level in patients with hyperglycemia.

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

Estimates risk of cardiac complications after noncardiac surgery.

Calculates risk of DVT based on clinical criteria.

Converts steroid dosages using dosing equivalencies.

Predicts ICU mortality based on lab results and clinical data.

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.

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

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

Objectifies degree of depression severity.

Predicts need for brain imaging after pediatric head injury.

Evaluates states of metabolic acidosis.

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

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

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.

Defines the severity of sepsis and septic shock.

Calculates LDL based on total and HDL cholesterol and triglycerides.

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

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

Predicts likelihood of appendicitis diagnosis.

Interprets ABG.

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

The CIWA-Ar objectifies severity of alcohol withdrawal.

Estimates ICU mortality.

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

Stratifies VTE risk in surgical patients, guiding prophylaxis decisions.

Screens for obstructive sleep apnea.

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

Determines anticoagulation need in hospitalized patients by risk of VTE.

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

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

Approximates insulin resistance.