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 stroke risk for patients with atrial fibrillation.

Calculates body mass index and body surface area.

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

Objectifies risk of pulmonary embolism.

Estimates GFR in CKD patients using creatinine and patient characteristics.

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

Quantifies stroke severity.

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

Estimates cirrhosis severity.

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

Calculates risk of DVT based on clinical criteria.

Estimates risk of cardiac complications after noncardiac surgery.

Converts steroid dosages using dosing equivalencies.

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.

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

Calculates LDL based on total and HDL cholesterol and triglycerides.

Calculates maintenance fluid requirements by weight.

Calculates the actual sodium level in patients with hyperglycemia.

Predicts ICU mortality based on lab results and clinical data.

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

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

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

Stratifies VTE risk in surgical patients, guiding prophylaxis decisions.

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

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

Calculates free water deficit by estimated total body water.

Objectifies degree of depression severity.

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

Screens for obstructive sleep apnea.

Evaluates states of metabolic acidosis.

Defines the severity of sepsis and septic shock.

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

Approximates insulin resistance.

Estimates mortality for adult patients with community-acquired pneumonia.

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

Predicts need for brain imaging after pediatric head injury.

Estimates ICU mortality.

Interprets ABG.

Determines anticoagulation need in hospitalized patients by risk of VTE.

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

Predicts likelihood of appendicitis diagnosis.

The CIWA-Ar objectifies severity of alcohol withdrawal.

Determines if pleural fluid is exudative or transudative.

Predicts 10-year survival in patients with multiple comorbidities.