Approach to Hypomagnesemia 

Fractional excretion ...
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Description

Approach to Hypomagnesemia 



Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium x urine creatinine)] x 100

FEMg <2% = poor intake, Gl loss, shift of magnesium into cells

FEMg >4% = renal magnesium loss if renal function is normal



NEPHKIDS 2020 @NEPHKIDS1



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Contributed by

Dr. Gerald Diaz
@GeraldMD
Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief πŸ‡΅πŸ‡­ πŸ‡ΊπŸ‡Έ - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG:  https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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