Atrial fibrillation occurs when the heart begins generating electrical impulses due to faulty signals originating in more than one area of the heart.What region of the heart that normally controls the rhythm of the heartbeat is being overridden in patients with atrial fibrillation?
A) Atriventricular node
B) Sinoatrial node
C) Aorta
D) Pulmonary valve
E) Common carotid artery

Question

Quizplus · Accepted Answer

The sinoatrial node, located in the right atrium, is responsible for generating the normal electrical impulses that control the heart's rhythm. In atrial fibrillation, faulty electrical signals originating from other areas of the heart override the sinoatrial node's signals, resulting in an irregular and often rapid heartbeat.

Atrial Fibrillation Occurs When the Heart Begins Generating Electrical Impulses