Wednesday, December 25, 2013
Answer 42
42. Choice B is the correct answer. Second Degree Type 2 AV Block has a normal PR interval and drops QRS complex. Second Degree Type I AV Block has a prolonged PR interval and drops a QRS complex. With First Degree AV Block there is just a prolonged PR interval. With a third degree AV block there is complete AV dissociation.
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