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Mahrukh S. Rizvi Profile picture
Mahrukh S. Rizvi
@mahrukhrizvi_MD
IM | Nephrologist | Intensivist | Made in Rochesters 🏷| Alum @WCMQatar @uofr @mayoclinic |Shock, CRRT, ECMO, MedEd| Art hobbyist | 📸|Wanderlust |☕️|Tweets=own
May 17, 2021 • 15 tweets • 6 min read
Acute Kidney Failure

OR 🤔

Acute Kidney Success?

…bare with me while I explain 🧵

#NephTwitter #MedTwitter #Physiology #askrenal #tweetorial #aki #MedStudentTwitter #meded #FOAMed We make 1-2 L of urine per day to eliminate

❎excess solutes
❎H2O
❎toxins

AND

✅maintain homeostasis.

This process is accurate to the T.
Apr 2, 2020 • 20 tweets • 6 min read
Tweetorial: An amp of 8.4% NaBicarb in the ICU 💉. Panacea or poison?

#NephTwitter #askrenal #medtwitter @askrenal

Normally, at a pH of 7.4, what is the concentration of H+ in the arterial plasma? Let’s begin with a mind excercise 🧮!

How efficient is Bicarbonate as a buffer? 🧪

Remember:
[H+] = 24 x PCO2/[HCO3-]

pCO2 = 40
[HCO3-] = 24

Hence, normally:
[H+] = 24 x 40/24 = 40 nanoeq/L

If [H+] exceeds 160 nanoeq/L ➡️ pH = 6.8 ➡️ DEATH 💀