A prolonged QT interval has a variety of causes and can be a very serious ECG finding, as it may lead to the potentially fatal arrhythmia polymorphic ventricular tachycardia (Torsades de Pointes).

Women have a longer QT interval than men. Lower heart rates also result in a longer QT interval. A quick way to distinguish a prolonged QT interval is to examine if the T wave ends beyond the ...

The resting electrocardiogram (ECG) furnishes essential information for the diagnosis, management, and prognostic evaluation of patients with congestive heart failure (CHF). Almost any ECG ...

which is the heart reading available on a smart watch. A spectrum of colour is applied to the area under the ECG signal from blue to red. The more warm colours you can see, the greater the risk of ...

The electrocardiogram (ECG) characteristics of this patient indicated the likelihood of LQTS1. Polymorphic ventricular extrasystolies and episodes of polymorphic non-sustained ventricular ...

Congestive heart failure (CHF ... which looks for signs of irregular heartbeat rhythm using electrocardiogram (ECG) data. The team is applying a similar tactic for diagnosing CHF in patients ...

The horizontal axis shows the time (in hours) starting after the third baseline ECG. The vertical axis represents ... Panel D shows the delta QTc of long-QT patients after drinking grapefruit ...