Definition of premature ventricular contraction:

(N) : A premature ventricular contraction is a common event where the heartbeat is initiated by Purkinje fibers in the ventricles rather than by the sinoatrial node.

Definition of premature ventricular contraction:

(N) : A premature ventricular contraction is a common event where the heartbeat is initiated by Purkinje fibers in the ventricles rather than by the sinoatrial node.

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