Which atrial dysrhythmia occurs when electrical impulses come from areas of reentry pathways or multiple ectopic foci?

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Atrial fibrillation is a dysrhythmia that occurs when electrical impulses come from areas of reentry pathways or multiple ectopic foci, leading to chaotic and irregular atrial activity. Atrial flutter is also a result of reentry pathways, but the atrial activity is more organized and sawtooth-shaped. PACs are premature beats that originate from a single ectopic focus, and MAT is characterized by three or more different P wave morphologies, indicating multiple ectopic foci.

Which Atrial Dysrhythmia Occurs When Electrical Impulses Come from Areas