Health & Medical Heart Diseases

ECG Challenge: The Usefulness of PVCs, Part 1

ECG Challenge: The Usefulness of PVCs, Part 1
Pay attention to the compensatory pauses after the premature ventricular contractions (PVCs) in this ECG, then answer the question below.


(Enlarge Image)


Figure 1.

Image courtesy of Dr Wang



Questions answered incorrectly will be highlighted.

The tracing in Figure 1 shows which of the following?

Accelerated atrioventricular (AV) junctional rhythm and two PVCs

Sinus tachycardia with first-degree AV block and two PVCs

Supraventricular tachycardia






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