When should I be concerned about ventricular tachycardia?

VT is defined as 3 or more heartbeats in a row, at a rate of more than 100 beats a minute. If VT lasts for more than a few seconds at a time, it can become life-threatening .

Ventricular tachycardia episodes may be brief and last only a couple of seconds without causing harm. But episodes lasting more than a few seconds (sustained V-tach ) can be life-threatening . Sometimes ventricular tachycardia can cause the heart to stop (sudden cardiac arrest).2 Şub 2022

Procedure mortality is approximately 3% , with most deaths due to failure of the procedure to control frequent, life-threatening VT.