30 results
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Differential Diagnosis ... Renal Causes of ... #differential # ... diagnosis #causes ... #nephrology #magnesium
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
Approach to Hypomagnesemia ... if renal function ... #algorithm #differential ... #diagnosis #causes ... #nephrology #magnesium
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
Hypermagnesemia ... by Mechanism Renal ... #Differential # ... Diagnosis #High ... #Magnesium #Table
Causes of Hypermagnesemia
Increased magnesium load
 - Magnesium-containing laxatives, antacids, or enemas
 - Treatment of pre-edampsia/eclampsia (mothers
Causes of Hypermagnesemia ... Rhabdomyolysis Increased renal ... Addison's disease) #Hypermagnesemia ... #Causes #diagnosis ... #differential
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia - ... diarrhea / IBD Renal ... #Differential # ... Diagnosis #Low # ... Magnesium #Table
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
- Differential ... Diagnosis Algorithm ... Malabsorption RENAL ... #Magnesium #Low ... #Causes #Differential
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... inappropriate antidiuretic hormone ... #Causes #differential ... #diagnosis #nephrology ... #magnesium #low
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Hypercalcemia, Hypermagnesemia ... Hypocalcemia, Hypomagnesemia ... Testing #Causes #differential ... #diagnosis #table ... #neurology
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Hypophosphatemia - Differential ... Diagnosis Algorithm ... Hypokalemia • Hypomagnesemia ... Increased Excretion - Renal ... : • Aluminum/Magnesium
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
hypokalemia and hypomagnesemia ... Extrarenal Laxatives - Renal ... pump inhibitor - Renal ... #Medications #differential ... #diagnosis #nephrology