Ventilation Perfusion (V/Q) coupling

This video introduces the concept of partial pressures and Ventilation (V)/ Perfusion (Q) coupling.
Overall, this video discusses how a drop in alveolar O2 results in vasoconstriction and a drop in alveolar CO2 results in bronchoconstriction.

[@stephaniesamuel4189]

The way you explain complex concepts into a simpler form of understanding are goals. Every time I don't understand something in class, I aim to find your videos.

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It is great to hear an accent I clearly understand explain such a complex process so simply. I wish my lecturers had this knack!

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He makes EVERYTHING SO CLEAR!!! I love it please make more videos!!! What a great teacher! Thank you sir!

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what a cute instructor

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I have been trying to understand this concept watching the schmuck professor at school and he just doesn't explain anything. I came here to watch your lecture and it was just crystal clear. Thank you so much for all the help that you are providing to so many students.

[@MrBeachwaves]

Best video I found on the topic. Could not find a comparable Khanacademy video. Thanks so much!

[@miamore77]

Thank you for all of your videos Dr.Matt and Dr.Mike! You explain the information so well and the visuals help bring everything together. Your channel is one of the best❤

[@bbb-pw4zx]

Thank you so much! Iam a nursing student,I was studying anatomy and physiology of respiratory system and I have been struggling in getting this idea. Your video did helped me.

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Great explanation, and so easy on the eyes and ears :)

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Perfect explanation ! I understand this SO much better. THANK YOU.

[@DrMattDrMike]

Stephanie Barbosa thank you Stephanie! I am glad it helped!

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This was an amazing explanation - thank you!!

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[@Toprovsky]

Thank you very much. Your explanation is very clear.

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I like this Video, it contains more detail. :) thank you!

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This has helped me so much. THANK YOU!

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This was very helpful! Thank you!

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[@lomaxlomax5915]

That was lovely. Perfect. Got it.

[@richj4549]

Awesome explanation for review. Thanks!

[@roseestacio6574]

Thank you for explaining it so easy.

[@gemmawindrim148]

Thank you for this great explanation!

[@shantakanrar3718]

Great sir😊
Thank you for the perfect explanation !😊

[@canitzjoseph9535]

i had to go sign in to like this video. Thank you so much

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Great teaching Sir

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I was suffering from the complexity of this ratio and now it seem like nothing very easy to me thank you

[@DrMattDrMike]

That's awesome - wonderful to hear!

[@sanjidaislam4064]

it does make sense dr. Thanks a lot

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really great explanation !

[@stephanieglenn6038]

Explained perfectly

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[@chrisdeere2694]

In systemic blood flow CO2 is a vasodilator isn't it? And O2 is a vasoconstrictor? I was of the understanding that this was the case in muscles to shunt blood to where it's needed so we can do work/get rid of waste?
So how does high O2 in the Alveoli spaces cause pulmonary capillaries to dilate?
It was a great video, I've just never understood this!

[@wicterwterr4245]

Very well explained. Thank you so much🙏🙏🙏🙏🙏🙏🙏🙏🙏

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What a presentation 👏

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awesome I finally get it!

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thank you sooo much sir

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Hey Dr. Mike can you do a video on hemodynamics! I love that topic

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thanku sir.finally understood this topic

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thank you!!

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God bless u ..

[@hh-zq9io]

Thank you

[@OscarEggen]

Death space and shunting are extreme V/Q mismatch or pathological shunts?

[@yostinaelefachew9346]

Very good doctor lwhant

[@drummerboynz]

In my humble opinion, alot of university lecturers are researchers who have never been trained in the art of communicating and teaching complex biological phenomena. Thank you for your gift of teaching and for communicating this material in ways that people can understand!!!!!!

[@priyankamidha5071]

That was very interesting, thank you! Can anyone answer my possibly silly question, please?
Why/how does the drop in PAO2 leads to Vasoconstriction and why/how does the drop in PACO2 results in bronchoconstriction?

[@zee-pr7jk]

re-watch the video and you might get it? because that's literally what he explained haha

[@abodywaleed8292]

All we know yet , that these two process are adaptive and lead to survival. But how vasoconstriction and bronchoconstriction happens , that what we don’t know yet

[@elsabetermias2041]

Thank you very much ❤️

[@chiahsuantsauo8375]

I still don’t understand the concept at 11:30, something being more soluble means it’s better exchanged at membrane?

[@sindhukumaravel4145]

Dr. Can u make a video regarding ratios eg.fev1..

[@griselgarcia3677]

I’m getting this done in two weeks I’m
Scared of the radiation n what if I’m allergic or something how dangerous is this

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Ahhh you saved my life

[@cecekiker6102]

Can you please do a video on simple pneumo vs tension pneumo

[@kadertorki1475]

Is the ventilation constant il all our alveolus ?

[@DrMattDrMike]

Hi Kader! No, ventilation is greatest in the lower 1/3 of the lung and lowest in the top 1/3 of the lung. That’s because the bottom of the lung has the most amount of stretch.

[@kadertorki1475]

i see, thank you , your videos are perfect i hope you will post more

[@mariamkinen8036]

👍🏻💭

[@DatNguyen-co1ll]

what is PaO2 and PvO2 ? Please

[@caribaez5711]

Perfusion is critical care. You need to be careful and take care of the condition in perfusion.
Perfusion is the blood flow to tissues and organ such as diffusion of the oxygen and carbon dioxide can take place passing the alveoli of the lung.

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