stroke volume


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stroke volume

[′strōk ‚väl·yəm]
(physiology)
The amount of blood pumped during each cardiac contraction; quantitatively, the diastolic volume of the left ventricle minus the volume of blood in the ventricle at the end of systole.
References in periodicals archive ?
Oh and colleagues reported that median stroke volume was higher for these patients, compared with the aspirin-sensitive group (2.
The stroke volume (SV) is calculated by the difference between the end-systolic and end-diastolic volumes.
Stroke volumes and the ejection fraction decrease while the EDV gradually rises.
Older women are able to preserve stroke volume with high volumes of endurance training.
9 Left atrium Septal- lateral 35 [+ or -] 3 diameter, mm Superior- inferior 39 [+ or -] 4 diameter, mm Anterior-posterior 33 [+ or -] 3 diameter, mm Minimal volume, mL 20 (13-26) Maximal volume, mL 52 (41-62) Pre-atrial contraction 33 [+ or -] 4 volume, mL Stroke volume, mL 36 [+ or -] 3 Minimal volume index, 12.
The determinants of cardiac output are the heart rate and stroke volume.
Currently, however, the only portable methods of measuring ambulatory blood pressure (and thereby deriving pulse pressure) or stroke volume are cumbersome and restrict movement and dexterity.
s2]) is defined as the stroke volume ratio between expansion and subcompression.
Breathing Through an Inspiratory Threshold Device Improves Stroke Volume During Central Hypovolemia in Humans.
Among the 145 patients who had a baseline left ventricular (LV) ejection fraction (EF) of 35% or less, EF increased from a mean baseline of 29% to 45%, while stroke volume improved from 68 mL to 75 mL with no change in heart rate.
At no point can it be assumed that a greater filling pressure is associated with a greater stroke volume or cardiac output.