For details, refer to the chapter QT Duration and Corrected QT Interval.
QTc Calculator
Correction | Equation |
---|---|
Bazzet | QTc = QT interval / √ (RR interval) |
Fridericia | QTc = QT interval / (RR interval)1/3 |
Framingham Heart Study | QTc = QT interval + 154 x (1 – RR interval) |
Hodges | QTc = QT interval + 1.75 x [(60 / RR interval) − 60] |