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ECG Rhythm Review – Sinus Arrest Video
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Video at a Glance
Sinus arrest is characterized by:
- Regularity: May be regular until the period of arrest, which usually lasts > 2 seconds
- Rate: Depends on underlying rhythm and length of arrest
- P Wave: None before the period of arrest
- PR Interval: Depends on underlying rhythm; not measurable for the period of arrest
- QRS Complex: Depends on underlying rhythm
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