Formulas and Clinical Scores

• Absolute neutrophil count
• Age calculator
• Alveolo-arterial O2 gradient
• Anion gap
• Apgar score
• Bayes theorem ( post-test probability given odds ratio AND sens/spec )
• Body mass index
• Calcium/Creatinine
• Change in plasma Na
• Corrected calcium ( albumine et proteins )
• Corrected QT
• Corrected sodium ( glucose, proteins and lipids )
• Child classification
• Creatinine clearance ( measured, Cockroft, Schwartz )
• Cardiac output ( Fick )
• Fractional excretion of sodium
• Fluid replacement after burns
• Glasgow coma scale
• Glomerular filtration rate (Levey)
• Gorlin formula ( valve area )
• Harris Benedict Equation for Basal Energy Expenditure
• Henderson-Hasselbalch equation
• Heart rate (EKG)
• Hepatitis discriminant function (Maddrey score)
• Ideal body weight
• Infusion management
• Iron deficit
• Kt/V (PRU)
• IV drip rate
• LDL cholesterol
• Likelihood ratios
• Mean arterial pressure
• Number needed to treat
• Osmotic gap (plasma and stool)
• Oxygen index
• Postanesthetic score of Aldrete
• Pediatric maintenance IV fluids
• Pediatric trauma score
• Pregnancy calculator
• Proteinuria
• Predicted peak flow
• Ranson's score
• Reticulocyte index
• Total body surface
• Transtubular K gradient
• Tubular phosphate reabsorption
• Units conversion (chemistries, energy, length, pressure, temperature, volume, weight)
• Urinary excretion of calcium
• Vascular resistances
• Water deficit

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