diastole
English

The diastole (filling) and systole (pumping) processes of a healthy human heart
Etymology
From Ancient Greek διαστολή (diastolḗ, “separation, drawing asunder”), from διά (diá, “apart”) + στέλλειν (stéllein, “send”).
Pronunciation
- IPA(key): /daɪˈæstəli/
Noun
diastole (usually uncountable, plural diastoles)
- (chiefly uncountable, physiology) The phase or process of relaxation and dilation of the heart chambers, between contractions, during which they fill with blood; an instance of the process.
- 1653, William Harvey, “The Causes which Mov’d the Author to Write”, in [anonymous], transl., The Anatomical Exercises of Dr. William Harvey […] Concerning the Motion of the Heart and Blood. […], London: […] Francis Leach, for Richard Lownes […], →OCLC, pages 1–2:
- […] I did almoſt beleeve, that the motion of the Heart vvas knovvn to God alone: For neither could I rightly diſtinguiſh, vvhich vvay the Diaſtole and Systole came to be, nor vvhen nor vvhere the dilation and conſtriction had its exiſtence.
- 2005, Richard H. Vagelos, Rachel Marcus, J. Edwin Atwood, 35: Signs, Symptoms, and Laboratory Abnormalities in Cardiovascular Diseases, Robert M. Wachter, Lee Goldman, Harry Hollander (editors), Hospital Medicine, 2nd Edition, page 309,
- In patients with rapid rates, diastole may be sufficiently shortened that the third and fourth heart sounds become superimposed and form a summation gallop.
- 2008, Jack H. Wilmore; David L. Costill; W. Larry Kenney, Physiology of Sport and Exercise, page 132:
- Of the total cardiac cycle at this rate, diastole accounts for 0.50 s, or 62% of the cycle, and systole accounts for 0.31 s, or 38%.
- 2011, Julian Maizel, Michel Slama, 9: Hermodynamic Evaluation in the Patient with Arrhythmias, Daniel de Backer, Bernard P. Cholley, Michel Slama, Antoine Vieillard-Baron, Philippe Vignon (editors), Hemodynamic Monitoring Using Echocardiography in the Critically Ill, Springer, page 90,
- During a short cycle or premature contraction, LV ejection begins before pressure in the aorta has completely decreased, and it remains higher than with longer diastoles [4, 5].
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- (uncountable, prosody) The lengthening of a vowel or syllable beyond its typical length.
- 1815 March and June, On the Greek and Latin Accents, The Classical Journal, Volume XI, page 81,
- I have inserted diastole which is omitted in Putschius, an insertion which both the complement, and the subsequent text make necessary.
- 1841, Gottfried Weber, Godfrey Weber′s General Music Teacher, page 115:
- [A]ccording to prosody, this syllable has the diastole and the stress, whereas the second of “cujus” or of “animam” has not.
- 2010, Jürgen Thym; Ann Clark Fehn, Of Poetry and Song: Approaches to the Nineteenth-Century Lied, page 46:
- Surely Goethe′s basic dichotomy of systole and diastole in the Divan poem […] .
- 1815 March and June, On the Greek and Latin Accents, The Classical Journal, Volume XI, page 81,
- (Greek grammar) The hypodiastole, a textual or punctuation mark formerly used to disambiguate homonyms in Greek.
Synonyms
- (prosody): ectasis
Derived terms
Translations
relaxation of the heart
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See also
- (prosody): caesura, synaeresis, synecphonesis, synizesis
Dutch
Etymology
Borrowed from French diastole, from Ancient Greek διαστολή (diastolḗ, “separation, drawing asunder”).
Pronunciation
- IPA(key): /di.aːˈstoː.lə/
Audio (file) - Hyphenation: di‧as‧to‧le
Antonyms
Derived terms
French
Etymology
Borrowed from Ancient Greek διαστολή (diastolḗ, “separation, drawing asunder”).
Pronunciation
- IPA(key): /djas.tɔl/
Derived terms
Further reading
- “diastole”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.
Italian
Etymology
From Ancient Greek διαστολή (diastolḗ, “separation, drawing asunder”).
Pronunciation
- IPA(key): /diˈa.sto.le/, /ˈdja.sto.le/
- Rhymes: -astole
- Hyphenation: di‧à‧sto‧le, dià‧sto‧le
Derived terms
Norwegian Bokmål
Etymology
From Ancient Greek διαστολή (diastolḗ).
Derived terms
References
- “diastole” in Det Norske Akademis ordbok (NAOB).
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