NCLEX RN Questions with Detailed Explanations Related

Review NCLEX RN Questions with Detailed Explanations related questions and content

The nurse is monitoring a client who has received antidysrhythmic therapy for the treatment of premature ventricular contractions (PVCs). Which observation in the PVCs would indicate to the nurse that this therapy is ineffective?

  • A. Occur in pairs
  • B. Be unifocal in appearance
  • C. Be fewer than 6 per minute
  • D. Fall after the end of the T wave
Correct Answer: A

Rationale: PVCs are considered dangerous when they are frequent (more than 6 per minute), occur in pairs or couplets, are multifocal (multiform), or fall on the T wave.