Wenckebach’s phenomenon is seen in
Correct Answer: II degree hea block type I
Description: Second-degree AV block is subclassified as Mobitz type I (Wenckebach) or Mobitz type II.In type I, the PR interval has a progressive prolongation until finally the atrial impulse is completely blocked and does not produce a QRS electrical impulse.Once the p-wave is blocked and no QRS is generated, the cycle begins again with the prolongation of the PR interval.One of the main identifying characteristics of second-degree AV block (Type 1) is that the atrial rhythm will be regular. Type II second-degree AV block is characterized by intermittent failure of conduction of the P wave without changes in the preceding PR or RR intervals.Harrison 19e pg: 1472
Category:
Medicine
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now