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Related to Presystolic: presystolic murmur


a.1.(Physiol.) Preceding the systole or contraction of the heart; as, the presystolic friction sound.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
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The presystolic deflation of the balloon reduces afterload, consequently decreasing myocardial workload, resulting in reduced myocardial oxygen demand.
In fetuses with IUGR, a faster presystolic left-to-right flow velocity through the FO is in accordance with a study that assessed flow in fetuses with left ventricle hypoplasia or left side obstruction, in which there was increased left atrial pressure [29].
In another study, 1.30% had presystolic hypertension, 2.02% had systolic hypertension, 2.65% had prediastolic hypertension, and 2.74% had diastolic hypertension.
Cardiovascular examination was suggestive of presystolic murmur.