The difference between Wenckebach and CHB is that:
A)CHB has more P waves than QRS complexes, whereas Wenckebach always has one P wave for every QRS complex.
B)CHB has a regular R- R whereas Wenckebach is irregular.
C)CHB has an irregular P- P interval, whereas it's regular in Wenckebach.
D)CHB has a constant PRI, whereas in Wenckebach it gets progressively longer.

Question

Quizplus · Accepted Answer

In Complete Heart Block (CHB), the R-R interval is regular because the atria and ventricles beat independently. In Wenckebach (Mobitz Type I), the R-R interval is irregular due to progressively lengthening PR intervals until a beat is dropped.

The Difference Between Wenckebach and CHB Is That