Formulas

Absolute neutrophil count

A-a O2 gradient

Alveolar O2

Anion gap
Basal Energy Expenditure

Body Mass Index
Body surface area Adult (Dubois)

Body surface area Children (Haycock)
Body surface area Adult (Mosteller)

Cardiac output

Cardiac output (Fick)
Cardiac output (Echo)

Cardiac index

Corrected calcium (proteinemia)

Corrected calcium (albuminemia)
Corrected phenytoin (albuminemia)

Corrected phenytoin (renal)

Corrected QT Interval

Corrected sodium (glucose)
Corrected sodium (proteins)

Corrected sodium (lipids)

Creatinine clearance measured
Creatinine clearance Children (Schwartz)
Creatinine clearance Adult (Cockcroft)
Diagnostic Test 2x2 table
Endotracheal Tube Size
Estimated allowable blood loss

Fractional excretion of sodium
Friedewald (LDL cholesterol)

GFR MDRD [bug in V 1.0; will be added asap]

Gorlin's valve area formula
Henderson-Hasselbalch equation

Ideal body weight

Iron deficit
Left ventricular ejection fraction
Left ventricular stroke work index

Maddrey score Hepatitis

Mean arterial pressure

MELD score

Microalbuminuria
Number needed to treat

Osmotic gap (plasma)

Osmotic gap (stool)

Oxygen tank remaining time

Oxygenation index (PaO2 / FiO2)
Oxygen transport parameters
Parkland Formula
Pediatric maintenance IV fluids

Plasma volume

Pressure gradient (Bernoulli)
Pregnancy calculator

Proteinuria

Pulmonary vascular resistance
Red blood cell indices

Reticulocyte index
Spirometry

Stroke volume index

Stroke volume (Echo)

Stroke volume

Systemic vascular resistance

Target growth

Transtubular K gradient
Water deficit

Winters' formula

Scores

Apgar Score

MELD Score

PELD Score

Aldrete score

Apgar score

Bishop's score

Child-Pugh score

Coronary heart disease risk

Glasgow coma scale - Adult

Glasgow coma scale - Child

Goldman Cardiac Risk Index

Injury severity score

Pediatric trauma score

PELD score

Ranson's score

SOFA score

Wells PE criteria

Classification List (no calculation)

ASA

CCS

GOLD

Hunt and Hess

NACA

NYHA

Equivalence Calculators

Opiates

Steroids

Unit Conversion (Energy)

Unit Conversion (Length)

Unit Conversion (Pressure)

Unit Conversion (Volume)

Unit Conversion (Weight)