Pulmonary Artery Pulsatility Index (PAPi) PA systolic: 35 mm Hg mm Hg PA diastolic: 15 mm Hg mm Hg Right atrial pressure (CVP): 8 mm Hg mm Hg PAPi: 2.50 What PAPi measures: ratio of pulmonary artery pulse pressure to right atrial pressure (RV pulsatility vs congestion). Rule-of-thumb interpretation: Normal / healthy RV: > 1.5–2.0 RV dysfunction: < […]
Read More »A calculator put together, for interest only, of various ECMO prognosis calculators. They might be wrong. Check everything. VV ECMO Prognostic Scores (RESP • PRESERVE • PRESET • ECMOnet • Roch) Patient / Demographics Age (years) BMI (kg/m²) Height/Weight mode Show Height (cm) Weight (kg) If Height and Weight are provided, BMI auto-updates. Medical History […]
Read More »First try at a combined blood gas and Stewart method calculator. I’m not entirely happy with it, but refinements will come soon. Stewart Method Acid–Base Calculator Strong Ion Difference (SID), Effective Strong Ion Difference (SIDe), Strong Ion Gap (SIG), Partial pressure of carbon dioxide (PaCO₂), Total concentration of weak acids (ATOT). pH PaCO₂ kPa mmHg […]
Read More »P/F Ratio (PaO₂/FiO₂) – CC-OrangeCard PaO₂/FiO₂ (P/F) Ratio Calculator PaO₂ mmHg = 10.7 kPa PaO₂ (alt) kPa = 80 mmHg FiO₂ % = 0.40 P/F (mmHg) mmHg P/F (kPa) kPa Severity Normal oxygenation Normal: > 300 mmHg (> 40 kPa) Mild ARDS: 200–300 mmHg (26.7–40 kPa) Moderate ARDS: 100–200 mmHg (13.3–26.7 kPa) Severe ARDS: <= […]
Read More »SalbutamolInfusion Calculator (ADULT) Make with 0.9% saline OR 5% dextrose Standard 5 mg in 500 mL[10 µg/mL] Reduced 5 mg in 100 mL[50 µg/mL] Dose: 5 µg/min OPTIONAL loading bolus 250 µg / 1–2 minutes: 25 mL Infusion rate: 30 mL/h Please note: paediatric guidance dosage varies wildly compared with adult dosing, with doses up to 200mcg/min recommended by many prominent paediatric services around the world. This is obviously 10x the usual recommended adult […]
Read More »Phenylephrine Infusion Calculator Phenylephrine Infusion Calculator 10 mg / 100 mL(100 µg/mL) 20 mg / 100 mL(200 µg/mL) Sex: Male Female Height: 170 cm Actual weight: 70 kg Infusion dose: 1.0 µg/kg/min Bolus dose: 100 µg IBW: – kg Weight used: – kg Infusion rate: – mL/h Delivered dose: – µg/min Bolus volume: – mL • If actual ≥ 130 % IBW, dosing weight = […]
Read More »This calculator uses common variables to give estimates of mortality and need for intervention based on the Glasgow-Blatchford Score, the AIMS65 score and the MELD 3.0 score. Demographic Variables Age: 40 years (AIMS65, MELD) Sex (GBS) Male Female Historical Variables History of Hepatic Disease (GBS) No Yes Dialysis within 7 days (MELD) No Yes History […]
Read More »Medical Unit Conversion Calculator Bilirubin 17 µmol/L = 1 mg/dL Creatinine 20 mmol/L = 0.23 mg/dL Glucose 0 mmol/L = 0 mg/dL
Read More »Basal Metabolic Rate Calculator Gender: Male Female Weight: 70 kg Height: 170 cm Age: 30 years Basal Metabolic Rate: – kcal/day Mifflin MD, St Jeor ST, Hill LA, Scott BJ, Daugherty SA, Koh YO. A new predictive equation for resting energy expenditure in healthy individuals. Am J Clin Nutr. 1990 Feb;51(2):241-7. PMID: 2305711
Read More »Candida Score Calculator Sepsis (Infection + SOFA ≥ 2) – 2 points TPN – 1 point Surgery – 1 point Multifocal Candida Colonisation – 1 point Candida Score = 0 Invasive Candidasis improbable.Early antifungal treatment not indicated. Sources:
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