The most common type of cardiac arrhythmia, manifesting as a series of extremely rapid and irregular atrial contractions, is:
A) atrial ectopic beats.
B) atrial fibrillation.
C) atrial flutter.
D) sick sinus syndrome.

Question

Quizplus · Accepted Answer

Atrial fibrillation is the most common type of cardiac arrhythmia and is characterized by rapid and irregular atrial contractions that can lead to an irregular and fast ventricular heart rate. Atrial ectopic beats refer to single abnormal beats that originate in the atria. Atrial flutter is a type of arrhythmia where the atria contract regularly but at a very fast rate, and sick sinus syndrome refers to a group of arrhythmias where the heart's natural pacemaker is not functioning properly.

The Most Common Type of Cardiac Arrhythmia, Manifesting as a Series