A type of irregular heartbeat (arrhythmia) and the most common type of supraventricular tachycardia (SVT) is called atrioventricular nodal reentry tachycardia (AVNRT). Usually, people with this condition have a fast heart rate that begins and stops suddenly. Those who suffer from AVNRT often have a heart rate of more than 100 beats per minute. Mostly, […]










