Multifocal (or multiform) atrial tachycardia (MAT) is an abnormal heart rhythm, specifically a type of supraventricular tachycardia, that is particularly common in older people and is associated with exacerbations of chronic obstructive pulmonary disease (COPD). Normally, the heart rate is controlled by a cluster of cells called the sinoatrial node (SA node). When a number of different clusters of cells outside of the SA node take over control of the heart rate, and the rate exceeds 100 beats per minute, this is called multifocal atrial tachycardia (if the heart rate is ≀100, this is technically not a tachycardia and it is then termed multifocal atrial rhythm). #Clinical #MedStudent #EKG #MAT #MultifocalAtrialTachycardia #ECGEducator
Dr. Gerald Diaz @GeraldMD · 7 years ago
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