Practice Quiz

Cardiac-Vascular Nursing Exam Prep II

Category - AACN Cardiac Vascular Nursing Practice Test

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A nurse records an EKG of an asymptomatic person coming for routine check-up. After looking at the EKG, which of the following findings might the nurse say that there is nothing wrong with the EKG?
  1. PR interval of 210 milliseconds
  2. Fibrillatory waves
  3. ST-T changes in precordial leads
  4. Saw-tooth pattern
Explanation
Answer- A - After looking at the PR interval of 210 milliseconds, the nurse can say that there is nothing wrong with the EKG. First degree AV block is characterized by prolonged PR interval (greater than 200 millisecond), which can also occur as a normal variant in some individuals.
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