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  1. Multifocal Atrial Tachycardia (MAT) • LITFL • ECG Library Diagnosis

    Oct 8, 2024 · A rapid, irregular atrial rhythm arising from multiple ectopic foci within the atria. Most commonly seen in patients with severe COPD or congestive heart failure.

  2. Multifocal atrial tachycardia - UpToDate

    Dec 12, 2024 · Multifocal atrial tachycardia (MAT) is an arrhythmia that can be seen in a variety of clinical disorders [1]. The characteristic electrocardiographic (ECG) features of MAT are ventricular …

  3. Multifocal Atrial Tachycardia (MAT) - Cleveland Clinic

    Multifocal atrial tachycardia, or MAT, is a rare type of abnormal heart rhythm that usually affects people with lung disease. Although people often don’t have symptoms, they can have a heart rate of 100 to …

  4. Multifocal atrial tachycardia - Wikipedia

    Multifocal (or multiform) atrial tachycardia (MAT) is an abnormal heart rhythm, [2] specifically a type of supraventricular tachycardia, that is particularly common in older people and is associated with …

  5. What Is Multifocal Atrial Tachycardia? - WebMD

    Aug 20, 2024 · 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....

  6. Multifocal Atrial Tachycardia - StatPearls - NCBI Bookshelf

    Jul 17, 2023 · Multifocal atrial tachycardia (MAT) is a supraventricular tachycardia resulting in a rapid, irregular atrial rhythm that is caused by multiple ectopic foci within the atria.

  7. Multifocal atrial tachycardia: MedlinePlus Medical Encyclopedia

    May 27, 2024 · Multifocal atrial tachycardia (MAT) is a rapid heart rate. It occurs when too many signals (electrical impulses) are sent from the upper heart (atria) to the lower heart (ventricles). The human …

  8. Multifocal Atrial Tachycardia: Overview of Multifocal Atrial ... - Medscape

    Dec 2, 2025 · Multifocal atrial tachycardia (MAT) is a cardiac arrhythmia caused by multiple sites of competing atrial activity. It is characterized by an irregular atrial rate greater than 100 beats per...

  9. Multifocal Atrial Tachycardia - MD Searchlight

    Multifocal atrial tachycardia (MAT) is a type of irregular and fast heart rhythm that originates from several abnormal areas in the upper chambers of the heart (the atria).

  10. Multifocal atrial arrhythmia: Causes, symptoms, and more

    Nov 20, 2024 · 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...