A premature ventricular contraction (PVC) can be identified by which of the following?
1. There is no P wave.
2. The QRS is wide.
3. The QRS looks normal.
4. The heart rate is altered.
a. 1
b. 3, 4
c. 1, 2, 4
d. 1, 3, 4
C
A PVC would have the following traits: there is no P wave, the QRS is wide and bizarre looking, and the heart rate is altered.
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