Definition of Arrhythmias, atrial

1. Heart Disease Slideshow Pictures
2. Medical Illustrations of the Heart Image Collection
3. Take the Heart Disease Quiz!

Arrhythmias, atrial: Abnormal heart rhythm due to electrical disturbances in the atria (the upper chambers of the heart) or the AV node "relay station", leading to fast heart beats. Examples of atrial arrhythmias includes atrial fibrillation, atrial flutter, and paroxysmal atrial tachycardia (PAT).

Need help identifying pills and medications?
Use the pill finder tool on RxList.