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Unformatted text preview: Stroke volume is affected by changing EDV, ESV or both Factors Affecting Stroke Volume Peripheral resistance- if peripheral resistance is increased, less blood is pumped out so larger ESV and smaller stroke volume Contractility of the heart- Less contractility, less blood pumped out, so larger ESV and smaller stroke volume Venous return- Increased venous return leads to an increased EDV and increased stroke volume...
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- Spring '09