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a small downward deflection in the arterial pulse or pressure contour immediately following closure of the aortic valve and preceding the dicrotic wave; sometimes used as a marker for the end of systole or the ejection period.Medical dictionary. 2011.
dicrotic wave — the second portion of the arterial pulse or arterial pressure recording after the dicrotic notch, attributed to the reflected impulse of closure of the aortic valves. Called also recoil w … Medical dictionary
notch — 1. An indentation at the edge of any structure. 2. Any short, narrow, V shaped deviation, whether positive or negative, in a linear tracing. SYN: incisura [TA], emargination, incisure … Medical dictionary
aortic notch — dicrotic n … Medical dictionary
predicrotic — Preceding the dicrotic notch. * * * pre·di·crot·ic (pre″di krotґik) occurring before the dicrotic notch and wave of the sphygmogram … Medical dictionary
Cardiac cycle — Cardiac events occurring in the cardiac cycle. Two complete cycles are illustrated. The cardiac cycle is a term referring to all or any of the events related to the flow or blood pressure that occurs from the beginning of one heartbeat to the… … Wikipedia
postdicrotic — Following the dicrotic wave in a sphygmogram; denoting an additional variation in the descending line of the pulse tracing. * * * post·di·crot·ic (pōst″di krotґik) occurring after the dicrotic notch and wave of the sphygmogram … Medical dictionary
DN — Abbreviation for dibucaine number. * * * Deiter s nucleus; dextrose nitrogen; diabetic neuropathy; dibucaine number; dicrotic notch; DiFrancesco Noble [equation]; dinitrocresol; Diploma in Nursing; Diploma in Nutrition; District Nurse; Doctor of… … Medical dictionary
monocrotism — The state in which the pulse is monocrotic. [mono + G. krotos, a beat] * * * mo·noc·ro·tism (mə nokґrə tiz əm) [mono + Gr. krotos beat] presence of a monocrotic pulse, with neither an anacrotic nor a dicrotic notch. monocrotic adj … Medical dictionary
left ventricular ejection time — (LVET) the interval from systole to closure of the aortic valve, measured on the carotid pulse tracing from the beginning upstroke to the dicrotic notch; it is one of the systolic time intervals (q.v.) measured to assess left ventricular… … Medical dictionary
DN — • Deiter s nucleus; • dextrose nitrogen; • diabetic neuropathy; • dibucaine number; • dicrotic notch; • DiFrancesco Noble [equation]; • dinitrocresol; • Diploma in Nursing; • Diploma in Nutrition; • District Nurse; • Doctor of Nursing; • dominant … Dictionary of medical acronyms & abbreviations
