Blood Pressure, Blood Flow, Resistance and Their Relationship|| Hemodynamics

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Relationship Between Blood Pressure, Flow And Resistance:
Blood flow is equal to pressure gradient divided by resistance. Resistance in tern depends on viscosity, length of blood vessel, and radius of blood vessel. Among these parameters, blood pressure and radius of vessels are used by our body's control systems to regulate blood flow to various organs. For regulation of blood pressure, pumping by the heart is controlled. As flow is proportional to the fourth power of radius, even a small change in radius can produce large changes in blood flow. And obviously, to changes the radius, the vessels are constricted or dilated as needed.
Chapters:
00:00 Introduction
01:04 Flow = Pressure Gradient / Resistance
01:57 Parameters for Control of Blood Flow
03:44 Effect of Pressure on Flow
04:31 Effect of Radius on Flow
08:50 Summary
Blood Flow
Dr Vipul Navadiya
Nonstop Neuron
Medical Animation
Medical Animation Videos
Physiology
DISCLAIMER: This video is for education purposes only. Although every effort is made to ensure the accuracy of the material, viewers should refer to the appropriate regulatory body/authorized websites, guidelines, and other suitable sources of information as deemed relevant and applicable. In view of the possibility of human error or changes in medical science, any person or organization involved in the preparation of this work accepts no responsibility for any errors or omissions, or results obtained from the use of information in this video.

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[@NonstopNeuron]

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[@NonstopNeuron]

I did M.D from there. And was also there as a tutor for some time. Happy to see you here.

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can you do a video about high blood pressure and the consequences of it please ?

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[@haripanditparanjpe30]

Correction
Uterine artery diameter increases from 3 mm at the beginning of pregnancy to 7 mm at term. Wide variations in uterine artery blood flow values at term pregnancy have been published

[@vinesh7732]

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[@haripanditparanjpe30]

Uterine artery size from non pregnant to term pregnancy increases in diameter 10 times.
So how much flow at term pregnancy? 10 to power 4 ?

[@NonstopNeuron]

Can you please cite the reference to this information?