Practice Quiz

NREMT Paramedic Certification Exam

Category - Paramedic

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You find a patient with an irregular rhythm, clocking at a rate of 150 bpm. The QRS duration is normal; the P wave is not distinguishable as the atria are firing off. PR interval is not measurable; the atria are firing electrical impulses in an irregular fashion. Which of the following rhythms is described above?
  1. Atrial flutter
  2. 1st degree AV block
  3. Supraventricular tachycardia
  4. Atrial fibrillation
Explanation
Answer - D - When the P wave is non-distinguishable, it is an atrial fibrillation.
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