Multifocal atrial tachycardia — or MAT — is a rhythm that frequently occurs in the setting of severe lung disease. MAT is characterized by three different P-wave morphologies within one 10 ...

A brisk walking pace, and the amount of time spent at this speed, may lower the risk of heart rhythm abnormalities, such as ...

Multifocal atrial tachycardia is a tachycardic version of ... as the atrium are contractile in MAT. If the heart rate is less than 100 beats per minute, then the rhythm is wandering atrial ...