P wave

noun
\ ˈpē-ˌwāv How to pronounce P wave (audio) \

Medical Definition of P wave

: a deflection in an electrocardiographic tracing that represents atrial activity of the heart — compare qrs complex, t wave

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Cite this Entry

“P wave.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/P%20wave. Accessed 1 Dec. 2020.

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