Blood Flow Auto-regulation

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Auto-regulation of the blood flow

Regulation of the blood flow or blood pressure?

Flow = delta P/Resistance

Considering that the resistance is constant, pressure changes determine the flow.

Why does our body regulate blood flow when pressure changes?

It is the flow that determines the nutritional supply and removal of the debris. The body tries to keep the flow constant over varying pressure.

How do our systems maintain constant flow over varying pressure?

We will also present why the flow reduces below 70 mm Hg pressure and why the flow increases beyond 175 mm Hg. ...

Disclaimer:
This video is not intended to provide assessment, diagnosis, treatment, or medical advice; it also does not constitute provision of healthcare services. The content provided in this video is for informational and educational purposes only.
Please consult with a physician or healthcare professional regarding any medical or mental health related diagnosis or treatment. No information in this video should ever be considered as a substitute for advice from a healthcare professional. ...
Disclaimer:
This video is not intended to provide assessment, diagnosis, treatment, or medical advice; it also does not constitute provision of healthcare services. The content provided in this video is for informational and educational purposes only.
Please consult with a physician or healthcare professional regarding any medical or mental health related diagnosis or treatment. No information in this video should ever be considered as a substitute for advice from a healthcare professional.

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[aliahsanshahid]

You are such a good personality Dr. Mobeen....I came here after listening to you in DG Khan medical college.❤️

[dori]

Thank you so much from an Albanian medical student! I always was confused, because I did not mind the Hagen-Poiseuille and the context between blood flow, pressure and resistence! I cannot even explain it, but It confused me the fact, that blood pressure raise and diametre decreases, cuz my brain automatically is connecting these with the regulation of blood pressure and not with the regulation of blood flow.
With the formula on mind it is clear and logical, why the Bayliss-Effect just works until 175 mmHg, because the diametre could never reach 0, so afterwards the mechanisms is knocked out and the vessel is dilating again until the tunica intima and media get damaged and modified ldl could atach, macrophages are coming and detecting with their scavenger-receptors and become foam cells and may calcify and because of higher pressure they rupture and so on. Thank you, i understood the arteriosklerosis, but nowww because of your clip i am enlightened!!!! God bless you, you save me from going crazy haha

[ashrafahmad]

Aslam o alaikum sir
Actually I have to understand the concept and major difference between blood pressure, blood flow and heart beat.
Sir kindly explain it with a recorded video
I will be thankful to you for this affection

[quweylaosman]

Sir please I request you COPD lecture pathophysiology

[pixie]

Sir please make videos on Physical examination too 🙂

[christiank.]

You're in deep shit if I wear a watch RFID