2852 results
Magnesium Electrolyte Repletion
Oral - Only do if patient does not tolerate IV
 • Magnesium oxide (can
Magnesium Electrolyte ... tolerate IV • Magnesium ... oxide (can cause ... diarrhea and cause ... complex (does not cause
Causes of Hypermagnesemia
Increased magnesium load
 - Magnesium-containing laxatives, antacids, or enemas
 - Treatment of pre-edampsia/eclampsia (mothers
Causes of Hypermagnesemia ... Increased magnesium ... load - Magnesium-containing ... Increased renal magnesium ... Hypermagnesemia #Causes
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
= (urine magnesium ... )/ [0.7 (serum magnesium ... loss, shift of magnesium ... differential #diagnosis #causes ... #nephrology #magnesium
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
intake - Magnesium ... eclampsia) - Magnesium-containing ... Diagnosis #High #Magnesium ... #Table #Causes
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Diagnosis Renal Causes ... hypomagnesemia Renal Causes ... differential #diagnosis #causes ... #nephrology #magnesium
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... Hypomagnesemia #Magnesium ... #Low #Causes #Differential
Hypermagnesemia - Diagnosis and Management

Hypermagnesemia is a serum magnesium concentration > 2.6 mg/dL.
Symptoms include hyporeflexia, hypotension,
mortality in ICU Causes ... • Increased magnesium ... load: Magnesium-containing ... Increased renal magnesium ... helpful in severe cases
Potassium Electrolyte Repletion
If patient also has hypomagnesemia, replete magnesium before repleting potassium
Oral:
 • Pills (ask pharmacy
hypomagnesemia, replete magnesium ... Intravenous (can cause
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
: • Aluminum/Magnesium ... endocrinology #causes
Types of Renal Calculi

Calcium oxalate
 - Interstitial apatite plaque, Low urine volume, Increased urinary calcium excretion,
Struvite - Magnesium ... , High dietary magnesium ... differential #diagnosis #causes