Mat Vs Pat Ecg

The 12 lead ecg criteria to diagnose multifocal atrial tachycardia mat is discussed along with causes treatment and 12 lead ecg examples.

Mat vs pat ecg. P r interval depends on the status of av conduction tissue and atrial rate. Multifocal atrial tachycardia mat overview. Here is a quick summary of the differences. Pat is usually an extra focus reentrant circuit in the atria.

When this is occuring inappropriatly the term ist may be used. Inverted in the inferior leads ii iii and avf. Pat stands for paroxysmal atrial tachycardia. Paroxysmal atrial tachycardia is a type of irregular heartbeat that increases heart rate.

Normal unless associated with aberrant ventricular conduction. Most commonly seen in patients with severe copd or congestive heart failure. Ecg to help diagnose pat. There is usually an abnormal p wave axis e g.

Some authors have suggested that patients who have a heart rate less than 100 bpm but who satisfy all other criteria including the clinical profile commonly observed with mat be considered to have multifocal atrial rhythm or multifocal atrial bradycardia if the rate is less than 60 bpm. Ecg showing multifocal atrial tachycardia mat. Multifocal atrial tachycardia mat is a type of irregular heartbeat in which the heart beats faster than it should. Morphology usually varies from sinus.

Ecg features of atrial tachycardia. Paroxysmal atrial tachycardia. An ecg measures the. It s one of many types of heart arrhythmias or irregular heart rhythms.

Normally the heart rate is controlled by a cluster of cells called the sinoatrial node sa node. Mat stands for multifocal atrial tachycardia. It is typically a transitional rhythm between frequent premature atrial complexes pacs and atrial flutter fibrillation. 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.

A student going through drbeen s ekg interpretation lectuers asked us the difference between mat multifocal atrial tachycardia and pat paroxysmal atrial tachycardia. Sinus tachycardia is the normal elevation of the heart rate in response to exercise fear etc. A rapid irregular atrial rhythm arising from multiple ectopic foci within the atria. Examples of svts are sinus tachycardia st inappropriate sinus tachycardia ist paroxysmal atrial tachycardia pat and atrial fibrillation.

Atrial rate 100 bpm.