Calculates CrCl according to the Cockcroft-Gault equation.

Estimates GFR based on serum creatinine, serum cystatin C, or both.

Calculates stroke risk for patients with atrial fibrillation, possibly better than the CHADS₂ Score.

Calculates a corrected calcium level for patients with hypoalbuminemia.

Calculates mean arterial pressure.

Determines 10-year risk of heart disease or stroke.

Calculates body mass index and body surface area.

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

Estimates glomerular filtration rate based on creatinine and patient characteristics.

Objectifies risk of pulmonary embolism.

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).

Estimates risk of cardiac complications after noncardiac surgery.

Calculates the NIH Stroke Scale for quantifying stroke severity.

Estimates cirrhosis severity.

Predicts 6-week risk of major adverse cardiac event.

Converts steroid dosages using dosing equivalencies.

Calculates the actual sodium level in patients with hyperglycemia.

Calculates risk of DVT based on clinical criteria.

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

Objectifies degree of depression severity.

Calculates maintenance fluid requirements by weight.

Determines if renal failure is due to pre-renal, intrinsic, or post-renal pathology.

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

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

Calculates total daily morphine milligram equivalents.

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

Stratifies risk of VTE in surgical patients.

Predicts ICU mortality based on lab results and clinical data.

Adds sodium to the MELD model for liver cirrhosis.

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

Evaluates states of metabolic acidosis.

Screens for obstructive sleep apnea.

Calculates free water deficit by estimated total body water.

Defines the severity of sepsis and septic shock.

Measures severity of anxiety.

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 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.

Estimates 10-year risk of heart attack.

Interprets ABG.

Predicts risk of MI or cardiac arrest after surgery.

The CIWA-Ar objectifies severity of alcohol withdrawal.

Estimates ICU mortality

Determines 10-year risk of heart disease or stroke and provides statin recommendations.

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

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

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

Determines anticoagulation need in hospitalized patients by risk of VTE.