A premature ventricular contraction (PVC) can be caused by:

1. hypokalemia.
2. intrinsic myocardial disease.
3. hypoxemia.
4. acidemia.
a. 1
b. 3, 4
c. 1, 2, 4
d. 1, 2, 3, 4


D
All of the listed options can cause PVCs.

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