The most serious of the four AV blocks is:
A)Type II Second Degree.
B)Wenckebach Type I Second Degree).
C)Third Degree.
D)First Degree.

Question

Quizplus · Accepted Answer

Third Degree AV block, also known as a complete heart block, is the most serious of the four types as it is a complete interruption of conduction between the atria and ventricles. The atria and ventricles beat independently and can result in a slow heart rate and hemodynamic instability. Treatment options include a pacemaker.

The Most Serious of the Four AV Blocks Is