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One Quick Question: What are PVCs (Premature Ventricular Contractions)? – Video
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Video at a Glance
PVCs are characterized by:
- Regularity: PVC interrupts the underlying rhythm
- Rate: Depends on the rate of the underlying rhythm
- P Wave: No P wave precedes the PVC
- PR Interval: No PRI with the PVC
- QRS Complex: Wide and bizarre > 0.12 second and appears before the next expected beat
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