Section Progress
0% Complete

Video lecture: Assessment of the QT interval (QTc interval)

Video lecture ECG interpretation and cardiac electrophysiology

You are not logged in. Please log in to view all video lectures, all chapters in the ECG book, ECG tests and much more. Log in or Register.

Corrected QT interval (QTc) calculator

QTc interval
QTc interval according to Bazzetms
QTc = QT interval / √ (RR interval)
QTc interval according to Fridericiams
QTc = QT interval / (RR interval)1/3
QTc interval according to Framinghamms
QTc = QT interval + 154 x (1 – RR interval)
QTc interval according to Hodgesms
QTc = QT interval + 1.75 x [(60 / RR interval) − 60]


Evidence-based Cardiovascular Medicine.

Peer-Reviewed Courses.

Trusted by experts worldwide.

Join our newsletter and get a free ECG Pocket Guide

ECG pocket guide

Start learning now