Multifocal atrial arrhythmia is an uncommon type of tachycardia that usually develops in people with certain illnesses. Those with the condition have a heart rate of over 100 beats per minute.

3. Premature supraventricular beat with aberrancy (left bundle branch block pattern). Multifocal atrial tachycardia (MAT) occurs when multiple areas (ectopic foci) within the atrium generate ...

Multifocal atrial tachycardia (MAT) is a type of irregular heartbeat in which the heart beats faster than it should. It’s one of many types of heart arrhythmias or irregular heart rhythms. When your ...

Multifocal atrial tachycardia Old inferior myocardial infarction Premature supraventricular beat with aberrancy (left bundle branch block pattern). Multifocal atrial tachycardia (MAT) occurs when ...

The correct diagnosis is wandering atrial pacemaker/multifocal atrial rhythm (Figure 2). The rhythm is irregularly irregular at a rate of 90 beats/min. The QRS complexes are narrow with a normal axis, ...

The rhythm is irregularly irregular with an average rate of 144 beats/min. The QRS complex duration is normal (0.08 sec) and there is a normal morphology except for poor R-wave progression across the ...

The irregular supraventricular tachycardias include atrial fibrillation (AF), AFL when it occurs in a patient with variable AV block (not shown), multifocal atrial tachycardia (MAT), and sinus rhythm ...