For many years, cardiologists and other experts have tried to find reliable methods of distinguishing between VT and SVT-AC on the basis of ECG criteria. Have we found one yet?

Ventricular tachycardia, or V-tach (VT), and supraventricular tachycardia (SVT) are two types of tachycardia. The term “tachycardia” refers to a heart rate of more than 100 beats per minute.

A 14-day continuous ambulatory ECG monitor is placed and reveals the predominant rhythm as sinus with occasional PVCs, many runs of SVT, second-degree atrioventricular (AV) block type I, and ...

All eyes were on the heart trace monitor as the adenosine did its stuff and sure enough, within a few seconds, my ECG "reverted", as they say in medical speak. The crowd dispersed, the spectacle over.

A total of 212 regular WCTs (142 VTs, 62 SVT, and 8 preexcitation SVTs) were reviewed by 7 examiners. Electrophysiologic testing was used as the gold standard for final diagnosis. The 7 examiners ...