Cardiac Medicine Certification (CMC) Practice Exam

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Prepare for your Cardiac Medicine Certification (CMC) Test with comprehensive quizzes, case studies, and helpful materials. Enhance your knowledge and gain confidence before the big day!

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What is the expected ventricular rate in accelerated junctional rhythm?

20 to 40 bpm
40 to 60 bpm
60 to 100 bpm
Over 100 bpm

The correct answer is: 60 to 100 bpm

In accelerated junctional rhythm, the expected ventricular rate typically ranges from 60 to 100 beats per minute. This rhythm originates from the junctional tissue and occurs when the junctional pacemaker becomes more active than the usual intrinsic rates of the SA node. The rate is considered "accelerated" because it exceeds the normal rates observed in junctional rhythms, which are usually slower, typically around 40 to 60 bpm. Therefore, the correct answer reflects the higher rate characteristic of an accelerated junctional rhythm, aligning with the physiological behavior of the heart in this condition.