Afib/MAT/PVC's/PAC's: Ectopic beats (pac's and pvc's) can produce irregular rhythms. Multiple distinct ectopic atrial foci can produce an irregularly irregular rhythm (wandering atrial pacemaker versus multifocal atrial tachycardia). The extreme of an infinite number of reentrant atrial conduction loops all with different timing can lead to atrial fibrillation.
Answered 8/27/2013
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Check out this link.: Get reassurance and a concrete answer from your dr. Take care! http://www.Mayoclinic.Com/health/heart-arrhythmias/ds00290/dsection=causes.
Answered 12/9/2013
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