dicrotic notch
noun
: 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
Cite this Entry
“Dicrotic notch.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/dicrotic%20notch. Accessed 13 Mar. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share