AV tachyarrhythmias consist of AVNRT, AVRT, nonparoxysmal junctional tachycardia, and junctional ectopic tachycardia. [15] Supraventricular arrhythmias may occur in the pre- and post-MI setting.

This is a narrow QRS complex tachycardia with a very fast heart rate (about 250 beats per minute). It is quite difficult to indentify any P wave activity to determine the exact etiology.

junctional rhythm and successful modification is achieved by approximately 90% during the first radiofrequency application at the point of the intersection. An example of AVNRT tachycardia is ...

This ECG has a narrow QRS complex initally, then a fast heart rate, regular rhythm and no ... of the rhythm with the options being ventricular tachycardia or supraventricular tachycardia (SVT ...