dicrotic notch

noun

Medical Definition of dicrotic notch

: a secondary upstroke in the descending part of a pulse tracing corresponding to the transient increase in aortic pressure upon closure of the aortic valve

called also dicrotic wave

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Cite this Entry

“Dicrotic notch.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/dicrotic%20notch. Accessed 30 Oct. 2020.

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