Premature ventricular complexes:
A) are ectopic complexes that originate from a different pacemaker site.
B) are extra systolic beats that break the regularity of the underlying rhythm.
C) are in themselves considered arrhythmias, but are generally insignificant.
D) occur later than the next expected complex, causing an irregular rhythm.
Answer: A) are ectopic complexes that originate from a different pacemaker site.
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