Which heart block rhythm has a constant PR interval that measures greater than 0.20 seconds?
A)First-degree AV block
B)Second-degree AV block, Mobitz type I
C)Second-degree AV block, Mobitz type II
D)Third-degree AV block

Question

Quizplus · Accepted Answer

In first-degree AV block, there is a delay in conduction through the AV node, resulting in a prolonged PR interval that measures greater than 0.20 seconds, but there is still a consistent conduction of every atrial impulse to the ventricles.

Which Heart Block Rhythm Has a Constant PR Interval That