17th October 2019

mayoclinic
13

How does blood pressure affect blood flow?

Uncontrolled high blood pressure can damage your heart in a number of ways, such as: Coronary artery disease. Coronary artery disease affects the arteries that supply blood to your heart muscle. Arteries narrowed by coronary artery disease don't allow blood to flow freely through your arteries.

Also know, how does blood volume affect blood flow and blood pressure?

To understand the factors that affect peripheral resistance, and therefore blood pressure. To understand how vessel elasticity, blood volume, and cardiac output affect blood pressure. Vessel diameter affects peripheral resistance. Therefore resistance to flow is increased and pressure rises.

What is the relationship between blood pressure and blood flow?

It is clear that the higher the pressure exerted by the heart, the faster blood will flow. This is an example of a direct or proportional relationship between two quantities. There is also another factor which controls the blood flow rate, and it is the resistance of the blood vessels to blood flow.

How does the viscosity of blood affect blood pressure?

The relationship between BP and viscosity is such that, given a constant systolic BP, if blood viscosity increases, then the total peripheral resistance (TPR) will necessarily increase, thereby reducing blood flow. Conversely, when viscosity decreases, blood flow and perfusion will increase.
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