Patient Care Technician (PCT) AAH Practice Exam

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What does quadrigeminy refer to in cardiac rhythm?

  1. Every 3rd beat is a PVC

  2. Every 4th beat is a PVC

  3. Every 2nd beat is a normal beat

  4. Every beat is a PVC

The correct answer is: Every 4th beat is a PVC

Quadrigeminy refers to a cardiac rhythm pattern in which every fourth beat is a premature ventricular contraction (PVC). This pattern indicates a consistent irregularity in the heart's pacing, where a PVC follows three normal heartbeats. Understanding this concept is essential because it helps healthcare professionals monitor and recognize specific arrhythmias, allowing for appropriate treatment or intervention when necessary. In this case, having every fourth beat as a PVC signifies that the heart is still maintaining a rhythm, although it is compromised by the presence of these premature contractions. Recognizing such patterns is fundamental in assessing a patient’s cardiac health.

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