Which disorders can cause an extra beat that often originates from a source other than the SA node? (Select all that apply.)Note: Credit will be given only if all correct choices and no incorrect choices are selected.

Question

Quizplus · Accepted Answer

Premature ventricular contractions (PVCs) and premature atrial contractions (PACs) are types of extra beats that often originate from sources other than the sinoatrial (SA) node. PVCs originate in the ventricles, while PACs originate in the atria, both of which can cause the sensation of a skipped beat or an extra beat.

Which Disorders Can Cause an Extra Beat That Often Originates