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Stroke Volume Optimization: Utilization of the Newest Cardiac Vital Sign: Considerations in Recovery from Cardiac

Alexander Johnson1, Jillian Stevenson1, Hong Gu1

  • 1Northwestern Medicine-Central DuPage Hospital, Critical Care-Intensive Care Unit, 25 North Winfield Road, Winfield, IL 60190, USA.

Critical Care Nursing Clinics of North America
|July 29, 2019
PubMed

Keywords:
Cardiac outputFluid managementHemodynamicsMean arterial pressurePassive leg raisePulmonary artery catheterStroke volumeStroke volume optimization

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Cardiac output (CO), the amount of blood the heart pumps per minute, is a parameter in cardiovascular physiology determined by stroke volume and heart rate. Stroke volume, the amount of blood pushed from one of the ventricles per heartbeat, is influenced by preload, afterload, and contractility.
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The regulation of stroke volume, which is the amount of blood the heart pumps out during each heartbeat, is critical for maintaining a healthy circulatory system. Stroke volume is influenced by three main factors: preload, contractility, and afterload.
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