When patients have hypokalemia, you want to fix it. So you give potassium to make the numbers pretty. You go ahead and give some potassium and do what the protocol says to do: recheck. Labs come back, poor patient got stuck for these labs. Potassium burned a bit on the way in because the IV was acting funny. Low and behold, the potassium did not go up. What just happened? Where did it go? Did you check the magnesium level? Probably not.
In this episode, we discuss the importance of correcting magnesium deficiencies in critically ill patients before correcting potassium deficiencies. Magnesium plays a crucial role in regulating potassium levels in the body. We review the physiological mechanisms behind this relationship and explore the clinical implications of magnesium deficiencies in critically ill patients. Join us as we dive into the often-overlooked role of magnesium in critical care medicine.
Show Notes: https://eddyjoemd.com/hypokalemia-magnesium/
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Citation: Huang CL, Kuo E. Mechanism of hypokalemia in magnesium deficiency. J Am Soc Nephrol. 2007;18(10):2649-2652. doi:10.1681/ASN.2007070792
