When the PR interval consistently exceeds 0.20 seconds in duration and the QRS rate is 60-100, which abnormality is present?
A) second degree AV block
B) complete AV block
C) asystole
D) first degree AV block

Question

Quizplus · Accepted Answer

A first degree AV block is characterized by a prolonged PR interval greater than 0.20 seconds, with each atrial impulse still being conducted to the ventricles, leading to a QRS rate within the normal range (60-100 bpm).

When the PR Interval Consistently Exceeds 0