Does decreasing systemic vascular resistance increase stroke volume?

I just wondered if any of you guys out there could help me out on this problem. I know that if systemic vascular resistance is decreased, the afterload will also decrease.

Does this mean that stroke volume will therefore increase? What effect will it have on heart rate?

Authored By Ian Jones on Wednesday 3rd October 2012

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Sally Ralton
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Medical Student
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Posted almost 8 years ago

Cardiac output is equal to:

(arterial blood pressure - mean systemic pressure) / resistance of the arterial system

I therefore think that stroke volume would increase.

As heart rate is controlled by autonomic i

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kiran fatima
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Posted almost 8 years ago

I think stroke volume will increase because cardiac output ? (HR × SV)=MAP/ TPR so by decreasing resistance cardiac output will increase so does stroke volume.

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