systole
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Related to systole: systolic pressure, Ventricular systole
systole
[sis´to-le]the contraction, or period of contraction, of the heart, especially of the ventricles, during which blood is forced into the aorta and pulmonary artery. adj., adj systol´ic.
atrial systole contraction of the atria by which blood is forced into the ventricles; it precedes the true or ventricular systole and is indicated by the fourth heart sound.
extra systole see extrasystole.
ventricular systole contraction of the ventricles, forcing blood into the aorta and pulmonary artery.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
sys·to·le
(sis'tō-lē),Contraction of the heart, especially of the ventricles, by which the blood is driven through the aorta and pulmonary artery to traverse the systemic and pulmonary circulations, respectively; its occurrence is indicated physically by the first sound of the heart heard on auscultation, by the palpable apex beat, and by the arterial pulse.
[G. systolē, a contracting]
Farlex Partner Medical Dictionary © Farlex 2012
systole
(sĭs′tə-lē)n.
The rhythmic contraction of the heart, especially of the ventricles, by which blood is driven through the aorta and pulmonary artery after each dilation or diastole.
sys·tol′ic (sĭ-stŏl′ĭk) adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
systole
Cardiology Contraction of the heart, generally understood to be ventricular, with ejection of blood from the right ventricle into the pulmonary arteries and from the left venticle into the aorta Signs of left ventricular systole 1st heart sound, apical beat, arterial pulse. See Ejection fraction. Cf Diastole.McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
sys·to·le
(sis'tŏ-lē)Contraction of the heart, especially of the ventricles, by which the blood is driven through the aorta and pulmonary artery to traverse the systemic and pulmonary circulations, respectively; its occurrence is indicated physically by the first sound of the heart heard on auscultation, by the palpable apex beat, and by the arterial pulse.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
systole
The period during which the chambers of the heart (the atria and the ventricles) are contracting. Atrial systole, in which blood passes down into the ventricles, precedes the more powerful ventricular systole in which blood is driven into the arteries. Systole alternates with a relaxing period called DIASTOLE.Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
systole
see HEART CARDIAC CYCLE.Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
sys·to·le
(sis'tŏ-lē)Contraction of heart, especially of ventricles, by which blood is driven through aorta and pulmonary artery to traverse systemic and pulmonary circulations, respectively.
Medical Dictionary for the Dental Professions © Farlex 2012