Originally Posted by
JohnDThompson
"Cardiac arrhythmia" is a generic term that covers a pretty wide range of conditions. It could be supraventricular tachycardia, paroxysmal atrial tachycardia, atrial fibrillation, atrial flutter, etc.
Exactly, and the entities covered by the term range from benign and safely ignored to cardiac arrest and bye-bye Charlie.