dicrotic adjective. [dʌɪ'krɒtɪk] E19.
[from Greek dikrotos double-beating + -IC.]
1. Of the pulse: having a detectable double beat owing to an exaggerated dicrotic wave (see sense 2). E19.

2. Designating a usu. small transient increase in pressure during the overall decreasing pressure of a heartbeat, and a notch representing this in a sphygmogram. M19.

■ 'dicrotism noun M19.

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