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Old 02-18-2014
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Default Q: Factors affecting pulse pressure

Hi guys I have a physiology question..

I am reading that factors affecting pulse pressure are:
1. cardiac output (increases systolic
2.total peripheral resistance (decreased TPR increases radius and decreases diastolic)
3. Vessel compliance (this is where my problem is)

decreased vessel compliance raises the systolic and lowers the diastolic!!
well isn't decreasing compliance supposed to mean that the arteries are less likely to dilate as they are stiff, which means that they are less able to decrease TPR by dilating?? so how would decreased compliance decrease diastolic blood pressure??

thank you
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