What happens at the p wave of cardiac cycle?

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Melody Skiles asked a question: What happens at the p wave of cardiac cycle?
Asked By: Melody Skiles
Date created: Fri, Feb 26, 2021 7:26 PM
Date updated: Tue, Jun 21, 2022 4:11 PM

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  • The P wave on the ECG represents atrial depolarization , which results in atrial contraction, or atrial systole . This article needs additional citations for verification.

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The electrical milestone event that occurs at the P wave of the cardiac cycle of the EKG is atrial depolarization. The upward stroke is right atrial depolarization, and the downward stroke is left atrial depolarization. Normally, this lasts for no more than 0.11 sec.

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