Physiology of Acid Base Balance : Renal physiology USMLE step 1

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Physiology of Acid Base Balance : Renal physiology USMLE step 1
Acid-base balance in the body is maintained through a delicate balance of various mechanisms that work together to keep the pH of the blood within a narrow range. The primary mechanisms involved in acid-base balance include:
Buffer systems: Buffer systems are the first line of defense against changes in pH. Buffers can absorb excess H+ ions, preventing them from significantly affecting the pH of the blood. The three major buffer systems in the body are the bicarbonate buffer system, the phosphate buffer system, and the protein buffer system.
Respiratory regulation: The respiratory system plays a key role in regulating acid-base balance through the elimination of carbon dioxide (CO2), which can combine with water to form carbonic acid. Increased ventilation results in the elimination of more CO2, which helps to decrease the amount of carbonic acid in the blood, thereby increasing pH. Decreased ventilation leads to the retention of more CO2, which increases carbonic acid and decreases pH.
Renal regulation: The kidneys also play a critical role in regulating acid-base balance through the reabsorption and excretion of bicarbonate ions, production and excretion of ammonium ions, regulation of hydrogen ion secretion, and regulation of other ions.
Cellular buffering: Intracellular and extracellular buffering systems within cells also play a role in maintaining acid-base balance by absorbing and releasing H+ ions as needed.
Understanding the mechanisms involved in acid-base balance is important for the USMLE Step 1 exam, as well as for clinical practice, as disruptions in acid-base balance can have significant consequences for patients.
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[@angelogie4996]

Amazing lecture. You will be surprised at how much you can learn in 26.40 minutes.

[@doctorbhanuprakash]

Glad you think so!

[@prakashgadag9542]

Dr Prakash Gadag
Very informative lecture on acid base balance

[@deekshathakur7915]

You just made it so easy ...💕💕..Thank you so much🎉

[@doctorbhanuprakash]

My pleasure 😊.

[@drsaba6935]

Superb really no words for your all lectures. Sir covered all from topic n subject.Lots of Love and Respect from Pakistan
Please CVS also waiting anxiously

[@doctorbhanuprakash]

yeah will upload system wise

[@deborahwateorea408]

Well explained. Thank you doc

[@doctorbhanuprakash]

Glad it was helpful!

[@user-pw2wq8yf9w]

Excellent sir thankyou so much

[@medicinesurgertly]

Also skeletal and smooth muscle physiology

[@omprakashk2383]

Very simple beautiful,little slow is better

[@doctorbhanuprakash]

Yes, thanks

[@zainabsaad-ow8tw]

Choose o.75 playback speed its so good🙈🙈

[@anurag.silwal]

Thank you sir! From Nepal❤

[@doctorbhanuprakash]

So nice of you.

[@sasirekha993]

Thank you so much sir 🙏 finally I understand this topic

[@doctorbhanuprakash]

You're most welcome

[@FunkyEntertainment-og6nf]

thank you sir for your efforts yours concepts are crystal clear🥰

[@doctorbhanuprakash]

Glad to hear that

[@sandeepranga7777]

Sir in case of alkalosis... Carbonic acid gets converted into H+ & HCO3-.. So the same bicarbonate ions will also contribute to alkalosis? ?

[@kk-vd7zs]

Best teacher ❤❤

[@doctorbhanuprakash]

Tysm

[@BasitAli-oy5sz]

I have a Q sir ..
In acidosis there is hyprvnt: and prodction of both
H and HCO3 is stopped .. then how it is helpful in maintng PH ?

[@satyabratapradhan2978]

Yes..New additional H+ n Hco3 formation decreases due to hyperventilation n then for the neutralization of already present acid ....3rd line acid base balance mechanism comes to the role....which is controlled by kidney....i.e Excretion of H+ n absorption of Hco3 occurs....this hco3 balances the acid...n maintain pH level...for this action 3 Rd line mechanism takes time of some weeks.

[@swapnakandi271]

Thank u sir

[@vishnumohanan2296]

Thanku you sir❤

[@mohsinamajid6328]

Sir....Do you have notes on Acid base balance

[@bhavyaprakash2120]

👌👌

[@alanwaterman1328]

Thanks for this great video.

[@doctorbhanuprakash]

My pleasure!

[@THARANISHWAR]

Sir please teach CVS

[@doctorbhanuprakash]

yeah will upload

[@THARANISHWAR]

@@doctorbhanuprakash sir please fastly upload

[@medicinesurgertly]

Thanks

[@ManishKumar-om6el]

Wrong in lungs function