For the interactive calculator, open the full CalcHealth page.
Open Full CalculatorFrequently Asked Questions
Why correct the QT interval?
QT changes with heart rate, so QTc adjusts the interval for easier interpretation.
Calculate corrected QT interval using heart rate and measured QT interval.
For the interactive calculator, open the full CalcHealth page.
Open Full CalculatorQT changes with heart rate, so QTc adjusts the interval for easier interpretation.