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.
Wap vs mat.
Unlike other atrial arrhythmias such as atrial fibrillation and atrial flutter these heart rhythms are not caused by intrinsic pathological conduction problems and are usually eliminated by correcting noncardiac underlying conditions such as respiratory.
In this column the cardiac rhythms known as wandering atrial pacemaker wap and multifocal ectopic atrial tachycardia are considered.
Multifocal atrial tachycardia mat overview.
The wandering atrial pacemaker wap is an arrhythmia that occurs when the natural pacemaker of the heart changes from the sinoatrial sa node to the atrioventricular av node.
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It is typically a transitional rhythm between frequent premature atrial complexes pacs and atrial flutter fibrillation.
A rapid irregular atrial rhythm arising from multiple ectopic foci within the atria.
It shows as a change in the p waves on an electrocardiogram ekg.
Heart rate that is normal 60 100 bpm and rhythm that is may be irregular.
Sinus beats have smooth upright p waves while.
An arrhythmia is a problem with the rhythm or rate of your heartbeat.
Normally the heart rate is controlled by a cluster of cells called the sinoatrial node sa node.
This is wandering atrial pacemaker typical features for this type of ekg rhythm include the following.
P waves invert when the heart rate slows down and will return to a normal pattern when the heart speeds back up again.
Most commonly seen in patients with severe copd or congestive heart failure.
A wandering atrial pacemaker is a type of heart arrhythmia.