dicroticadj.

Brit.

/dʌɪˈkrɒtɪk/, U.S.

/daɪˈkrɑdɪk/

Etymology: < Greek δίκροτος double-beating ( < δι- twice + κρότος rattling noise, beat) + -ic suffix: in modern French dicrote, medieval or modern Latin dicrotus.

Physiology and Pathology.

a. Of the pulse (or a sphygmographic tracing of its motion): Exhibiting a double beat or wave for each beat of the heart; applied esp. to a pathological pulse in which the secondary wave which follows the primary is more marked than usual.Etymologically ‘dicrotic’ might be applied to any double-beating pulse, whether the secondary wave occurs in the rise or in the fall of the main wave; it is, in use, restricted to the latter case, the former being called anacrotic adj.

ΚΠ

1706 Phillips's New World of Words (new ed.) Dicrotus, a Pulse that beats twice. (So in Bailey; in Ash dicrotos).

1741 J. Nihell New Observ. Predict. Crises by Pulse 1 The Pulsus Dicrotus of the Ancients, which in English may be properly called the Rebounding Pulse.]

1811 R. Hooper Quincy's Lexicon-medicum (new ed.) Dicrotic, a term given to a pulse in which the artery rebounds after striking, so as to convey the sensation of a double pulsation.

1822 J. M. Good Study Med. II. 26 When..we come to a distinction between the free and dilated pulse..the quick and the frequent..the dicrotic, coturnizing, and inciduous, proposed by Solano, as mere sub-varieties of the rebounding, or redoubling.

1844 R. Dunglison Dict. Med. Sci. (ed. 4) Pulse, Dicrotic, that in which the finger is struck twice at each pulsation, once lightly, the other time more strongly.

1865 New Sydenham Soc. Year-bk. Med. 1864 11 On the other hand, increase in the heart's force..makes the pulse dicrotic.

1875 H. C. Wood Treat. Therapeutics (1879) 140 Some of his sphygmographic tracings are markedly dicrotic.

b. Of or pertaining to a dicrotic pulse or tracing, as a dicrotic notch, or dicrotic wave.

ΚΠ

1869 New Sydenham Soc. Retrospect Med. 149 The correspondence between the depth of the dicrotic notch and the severity of the pyrexia.

1877 M. Foster Text Bk. Physiol. i. iv. 116 The dicrotic wave occurring towards the end of the descent..is always more or less marked in every pulse.

1883 New Sydenham Soc. Lexicon Dicrotic wave, a secondary wave which follows more or less quickly the primary wave of the pulse in sphygmographic tracings.

This entry has not yet been fully updated (first published 1895; most recently modified version published online March 2022).

单词	dicrotic
释义	dicroticadj. Brit. /dʌɪˈkrɒtɪk/, U.S. /daɪˈkrɑdɪk/ Etymology: < Greek δίκροτος double-beating ( < δι- twice + κρότος rattling noise, beat) + -ic suffix: in modern French dicrote, medieval or modern Latin dicrotus. Physiology and Pathology. a. Of the pulse (or a sphygmographic tracing of its motion): Exhibiting a double beat or wave for each beat of the heart; applied esp. to a pathological pulse in which the secondary wave which follows the primary is more marked than usual.Etymologically ‘dicrotic’ might be applied to any double-beating pulse, whether the secondary wave occurs in the rise or in the fall of the main wave; it is, in use, restricted to the latter case, the former being called anacrotic adj. ΚΠ 1706 Phillips's New World of Words (new ed.) Dicrotus, a Pulse that beats twice. (So in Bailey; in Ash dicrotos). 1741 J. Nihell New Observ. Predict. Crises by Pulse 1 The Pulsus Dicrotus of the Ancients, which in English may be properly called the Rebounding Pulse.] 1811 R. Hooper Quincy's Lexicon-medicum (new ed.) Dicrotic, a term given to a pulse in which the artery rebounds after striking, so as to convey the sensation of a double pulsation. 1822 J. M. Good Study Med. II. 26 When..we come to a distinction between the free and dilated pulse..the quick and the frequent..the dicrotic, coturnizing, and inciduous, proposed by Solano, as mere sub-varieties of the rebounding, or redoubling. 1844 R. Dunglison Dict. Med. Sci. (ed. 4) Pulse, Dicrotic, that in which the finger is struck twice at each pulsation, once lightly, the other time more strongly. 1865 New Sydenham Soc. Year-bk. Med. 1864 11 On the other hand, increase in the heart's force..makes the pulse dicrotic. 1875 H. C. Wood Treat. Therapeutics (1879) 140 Some of his sphygmographic tracings are markedly dicrotic. b. Of or pertaining to a dicrotic pulse or tracing, as a dicrotic notch, or dicrotic wave. ΚΠ 1869 New Sydenham Soc. Retrospect Med. 149 The correspondence between the depth of the dicrotic notch and the severity of the pyrexia. 1877 M. Foster Text Bk. Physiol. i. iv. 116 The dicrotic wave occurring towards the end of the descent..is always more or less marked in every pulse. 1883 New Sydenham Soc. Lexicon Dicrotic wave, a secondary wave which follows more or less quickly the primary wave of the pulse in sphygmographic tracings. This entry has not yet been fully updated (first published 1895; most recently modified version published online March 2022). < adj.1811
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