Multifocal atrial tachycardia is a tachycardic version of wandering atrial pacemaker in which the atrial rate is greater than 100 beats per minute. Multifocal atrial tachycardia occurs when ...

Multifocal atrial tachycardia (MAT) requires three different ... Idioventricular rhythms meet criteria for ventricular tachycardia, but have a heart rate of < 100. Massive left atrial enlargement ...