In this survey of health care practitioners' knowledge of the QT interval, we found that an appreciable number of health care practitioners cannot correctly measure the QT interval and cannot ...

This review discusses the components of accurate QTc measurement and diagnosis, re-examines what is known about factors affecting QT interval measurement, and clarifies current recommendations ...

They have to look at the ECG themselves, they have to measure the QT interval themselves, and then make the decision: am I still concerned about the possibility of QT interval, yes or no?" ...