Dr. Gerald Diaz @GeraldMD · 4 years ago
twitter@NEPHKIDS1
Approach to Hypomagnesemia Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
twitter@NEPHKIDS1 
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

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#Hypomagnesemia #algorithm #differential #diagnosis #causes #nephrology #magnesium #low
Dr. Gerald Diaz @GeraldMD · 4 years ago
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