Input interpretation
![corrected QT interval](../image_source/3e9e9781a225a4ea3cbca364a3aa21a9.png)
corrected QT interval
Equation
![QTc = QT/sqrt(RR) | QTc | corrected QT interval QT | QT interval RR | RR interval](../image_source/06f844a81252a4d0cbb9598802b4ecc2.png)
QTc = QT/sqrt(RR) | QTc | corrected QT interval QT | QT interval RR | RR interval
Input values
![QT interval | 0.4 seconds RR interval | 0.86 seconds](../image_source/1368dafd031267cb626ea365c8cd9253.png)
QT interval | 0.4 seconds RR interval | 0.86 seconds
Result
![corrected QT interval | 431 ms (milliseconds) = 0.431 seconds](../image_source/eba5dc235c79439f92adba2c7e50a77a.png)
corrected QT interval | 431 ms (milliseconds) = 0.431 seconds
Heart rate variation
![Heart rate variation](../image_source/408ff20baa60a721945b72f949ecbbc5.png)
Heart rate variation
Units
Sinus rhythm diagram
![Sinus rhythm diagram](../image_source/11f569700220ebd105cdabc14b729e3a.png)
Sinus rhythm diagram