The nurse would clarify to a client that sinus arrest differs from sinus block in that with sinus arrest, the
A) atrial focus totally takes over pacing responsibility.
B) atrioventricular (AV) node is the primary pacemaker.
C) rhythm is regular.
D) sinoatrial (SA) node occasionally fails to fire.

Question

Quizplus · Accepted Answer

Sinus arrest differs from SA exit block in that the SA node intermittently fails to fire at all with sinus arrest.

The Nurse Would Clarify to a Client That Sinus Arrest