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 ?
Stroke volume variation assessed by a FlowTrac transducer and Vigileo monitor and PPV assessed by anaesthesia workstation-integrated monitors showed comparable performance in predicting fluid responsiveness in patients undergoing major surgeries.
The major findings of this study were that the youth soccer players demonstrated a higher stroke volume, cardiac output, and peak cutaneous blood flow following HIIE in hypoxia than in normoxia.
2011) Role of heart rate and stroke volume during muscle metaboreflex-induced cardiac output increase: differences between activation during and after exercise.
70)] and stroke volume conditional on LV parameters in the multivariable model (Table 3).
Subgroup analysis in patients with an increase in stroke volume after esmolol use
This leads to an increase of left and right cardiac preload (autotransfusion), with later temporary increase in stroke volume (SV) and cardiac output.
Oh and colleagues reported that median stroke volume was higher for these patients, compared with the aspirin-sensitive group (2.
Subsequent analysis of Sm versus stroke volume again showed a mild positive correlation in the heart failure group and combined results ([r.
However, with increasing exercise, stroke volume and cardiac output often cannot continue to meet the increased demands.
Stroke volume: The stroke volume is determined by two parameters: the amount of blood in the ventricle before the contraction occurs (end diastolic volume) and the amount left at the end of contraction (end systolic volume).
A normal left ventricle must contract to eject an adequate stroke volume at a given arterial blood pressure (systolic function), and must fill back without requiring an abnormal increase in left atrial filling pressure (diastolic function)," Dr.