The second-degree type I heart block is also known as the:
A) Wenckebach phenomenon.
B) Beasley phenomenon.
C) His phenomenon.
D) Purkinje phenomenon.

Question

Quizplus · Accepted Answer

The second-degree type I heart block is commonly referred to as the Wenckebach phenomenon. It is characterized by a progressive lengthening of the PR interval before a dropped beat occurs. This type of heart block is typically benign and does not require treatment, unless it is symptomatic for the patient.

The Second-Degree Type I Heart Block Is Also Known as The