21 results
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
Approach to Hypomagnesemia ... = (urine magnesium ... )/ [0.7 (serum magnesium ... @NEPHKIDS1 #Hypomagnesemia ... #low
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Hypomagnesemia - ... Renal Causes of Hypomagnesemia ... , Familial hypomagnesemia ... causes #nephrology #magnesium ... #low
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
Hypermagnesemia ... intake - Magnesium ... DrEricStrong #Hypermagnesemia ... Diagnosis #High #Magnesium ... Table #Causes #Management
Magnesium Electrolyte Repletion
Oral - Only do if patient does not tolerate IV
 • Magnesium oxide (can
Magnesium Electrolyte ... tolerate IV • Magnesium ... 800mg PO daily • Magnesium ... Electrolyte #Repletion #management ... #hypomagnesemia
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... CNIs • Familial hypomagnesemia ... @kdjhaveri #Hypomagnesemia ... #Magnesium #Low
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia - ... Primary intestinal hypomagnesemia ... DrEricStrong #Hypomagnesemia ... Differential #Diagnosis #Low ... #Magnesium #Table
Potassium Electrolyte Repletion
If patient also has hypomagnesemia, replete magnesium before repleting potassium
Oral:
 • Pills (ask pharmacy
patient also has hypomagnesemia ... , replete magnesium ... Electrolyte #Repletion #management
Symptoms and Signs of Hypomagnesemia
Neuromuscular:
 - Tetany, Muscle weakness, Chvostek and Trousseau signs, Cerebellar (ataxia, nystagmus,
Symptoms and Signs of Hypomagnesemia ... Muscle weakness, Chvostek ... Hypocalcemia, Anemia #Hypomagnesemia ... #magnesium #Symptoms
Hypomagnesemia - Diagnosis and Management

Satyendra Dhar, MD @DharSaty

#Hypomagnesemia #Diagnosis #Management #magnesium #deficiency
Hypomagnesemia - ... Diagnosis and Management ... @DharSaty #Hypomagnesemia ... #Diagnosis #Management ... #magnesium #deficiency
Hypomagnesemia Treatment Protocol - Magnesium Repletion
Goal serum magnesium concentration 2.0-2.4 mg/dL
Serum magnesium concentration - IV Magnesium
Hypomagnesemia Treatment ... Protocol - Magnesium ... 2.4 mg/dL Serum magnesium ... @DharSaty #Hypomagnesemia ... #Treatment #management