ECG Quest > Rhythms > Atrial Rhythms > Atrial tachycardia - multifocal

Atrial tachycardia - multifocal

A Multifocal Atrial Tachycardia (MAT) causes an arrhythmia that is fast (>100 bpm) and originates from several sites within the atria. This causes a rhythm that is slightly irregular with multiple different P wave shapes.

This rhythm is also known as Wandering Atrial Pacemaker if the rate is normal.

See also: Atrial Rhythms

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