4 calculators in this category
- Mean Arterial Pressure (MAP) CalculatorSurviving Sepsis Campaign 2021 (MAP ≥ 65 mmHg)Mean arterial pressure is the average pressure driving blood into your tissues across one full cardiac cycle, and it is the…
- QTc Interval CalculatorAHA/ACCF/HRS 2009 ECG interpretation statementEnter the measured QT interval and the heart rate — or the RR interval straight off the ECG — and this calculator returns the…
- Pack Years CalculatorUSPSTF 2021 lung cancer screening recommendationA pack-year is the standard way clinicians quantify cumulative tobacco exposure: one pack-year is twenty cigarettes a day for…
- Blood Alcohol Content Calculator (Widmark)Widmark equation (1932)This calculator applies Erik Widmark's equation to estimate blood alcohol concentration from four things you actually know: how…
Which one do you need?
- Mean Arterial Pressure (MAP) Calculator
- Calculate mean arterial pressure, pulse pressure and cerebral perfusion pressure from a blood pressure reading, with a heart-rate corrected MAP for tachycardia.
- QTc Interval Calculator
- Correct the QT interval for heart rate using the Bazett, Fridericia, Framingham and Hodges formulas, and check each result against sex-specific cut-points.
- Pack Years Calculator
- Calculate pack-years from up to three periods of different smoking intensity and check your history against the USPSTF lung cancer screening criteria.
- Blood Alcohol Content Calculator (Widmark)
- Estimate blood alcohol concentration with the Widmark equation from drinks, ABV, body weight and time, and see how long until you drop below 0.08.