The electrophysiologic mechanism may be due to either enhanced automaticity or triggered activity. In contrast to the paroxysmal variety, the nonparoxysmal type develops gradually and disappears ...

Catheter ablation was not the first-line treatment for supraventricular tachycardia (SVT) for most patients referred to a tertiary center, a study shows, with investigators suggesting the procedure is ...

Atrial flutter, the second most common pathologic supraventricular tachycardia, results from a reentrant circuit around the tricuspid valve in the right atrium (although atypical flutters do occur, ...

Supraventricular arrhythmias are the most widespread group of arrhythmias and affect all age groups. Atrial fibrillation is the most common arrhythmic disorder and is even more prevalent among the ...

Chloé Dygert has undergone surgery to treat supraventricular tachycardia (SVT), a condition which causes episodes where the heart beats much faster than usual. The North American rider revealed the ...

Heart racing suddenly during a workout or at rest? It may not be anxiety. Doctors explain SVT, its triggers, and when to seek medical help. (Pic credit: Pexels) SVT causes sudden rapid heart rate over ...