100 results
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
Hypermagnesemia ... DrEricStrong #Hypermagnesemia ... #Differential #Diagnosis ... #High #Magnesium ... #Table #Causes
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Differential Diagnosis ... Renal Causes of ... Renal Causes of ... #differential #diagnosis ... #magnesium #low
Symptoms and Signs of Hypomagnesemia
Neuromuscular:
 - Tetany, Muscle weakness, Chvostek and Trousseau signs, Cerebellar (ataxia, nystagmus,
Symptoms and Signs ... of Hypomagnesemia ... Muscle weakness, Chvostek ... #magnesium #Symptoms ... #Signs #diagnosis
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
Approach to Hypomagnesemia ... = (urine magnesium ... @NEPHKIDS1 #Hypomagnesemia ... #differential #diagnosis ... #causes #nephrology
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 ... Addison's disease) #Hypermagnesemia ... #Causes #diagnosis
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
GI losses - Chronic ... #Differential #Diagnosis ... #Low #Magnesium ... #Table #Classification ... #Causes #Workup
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - Causes ... Hypercalcemia, Hypermagnesemia ... Hypocalcemia, Hypomagnesemia ... #differential #diagnosis ... #table #neurology
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... - Differential Diagnosis ... #Magnesium #Low ... #Causes #Differential ... #Diagnosis #Algorithm
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
- Differential Diagnosis ... Hypokalemia • Hypomagnesemia ... • Anorexia • Chronic ... : • Aluminum/Magnesium ... endocrinology #causes
Hypermagnesemia - Diagnosis and Management

Hypermagnesemia is a serum magnesium concentration > 2.6 mg/dL.
Symptoms include hyporeflexia, hypotension,
- Diagnosis and ... Symptoms include ... mortality in ICU Causes ... helpful in severe cases ... #Diagnosis #Management