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CCI Certified Cardiographic Technician (CCT) Practice Exam

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What term describes every fourth beat being a PVC?
Correct Answer:
Quadrigeminy
Explanation:
The concept is how we name recurring PVC patterns based on which beat in the sequence is the ectopic beat. If a PVC occurs on every fourth beat, the cycle repeats every four heartbeats with the fourth being a PVC. This pattern is called quadrigeminy, since quadri means four. Other patterns include trigeminy (every third beat), bigeminy (every other beat), and pentigeminy (every fifth beat). So the term for every fourth beat being a PVC is quadrigeminy.

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