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Cardiology
Clinical Nutrition
Critical Care
- AGAnion gap (with albumin correction)Serum anion gap, albumin-corrected gap, and delta-delta ratio.
- Winter'sWinter's formula (expected PaCO₂)Checks respiratory compensation in metabolic acidosis.
- FWDFree water deficitWater deficit in hypernatremia using age- and sex-based total body water.
- MAPMean arterial pressureMAP from systolic and diastolic pressure.
- PBW VtPredicted body weight and tidal volumeARDSNet predicted body weight and 4 to 8 mL/kg tidal volumes.
- mcg/kg/minWeight-based infusion rateConverts a weight-based dose to mL/h from the bag concentration.
Emergency Medicine
- HEARTHEART score for chest painSix-week major adverse cardiac event risk in emergency department chest pain.
- Wells PEWells criteria for pulmonary embolismPretest probability of pulmonary embolism.
- PERCPERC rule for pulmonary embolismRules out PE without testing in low-pretest-probability patients.
- Wells DVTWells criteria for DVTPretest probability of lower-extremity deep vein thrombosis.
- qSOFAqSOFABedside screen for poor outcome in suspected infection outside the ICU.
- GCSGlasgow Coma ScaleLevel of consciousness from eye, verbal, and motor responses.
- SIShock indexHeart rate divided by systolic blood pressure.
Endocrinology
Hematology and Oncology
Nephrology
Nursing
OB-Gyn
Pain Management
Pediatrics
- mg/kgWeight-based dose (mg/kg)Dose per administration and per day from mg/kg, with a maximum-dose cap and liquid volume.
- 4-2-1Maintenance IV fluids (4-2-1 rule)Hourly maintenance fluid rate by the Holliday–Segar method.
- APLS wtPediatric weight estimate (APLS)Emergency weight estimate from age when a child cannot be weighed.
Pharmacy
- IBWIdeal body weight (Devine)Devine ideal body weight from height and sex, used for weight-based dosing and ventilator settings.
- AdjBWAdjusted body weightIdeal body weight plus 40% of the excess, for dosing in patients above ideal weight.
- C1V1Dilution (C1V1 = C2V2)Volume of stock needed to prepare a target concentration and volume.
Primary Care
Pulmonology
Respiratory Therapy
Surgery (Plastic and Burns)
Toxicology
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