16 results
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
Hypermagnesemia ... intake - Magnesium ... DrEricStrong #Hypermagnesemia ... #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
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia - ... Primary intestinal hypomagnesemia ... DrEricStrong #Hypomagnesemia ... Diagnosis #Low #Magnesium ... #Table #Classification
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
Potassium-Binding Agents to Treat Hyperkalemia
Sodium zirconium cyclosilicate (Lokelma):
 • Mechanism: Preferentially captures K in exchange for
K; also binds magnesium ... Side Effects: Hypomagnesemia ... nonspecifically binds K, magnesium ... #pharmacology #table
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
Concomitant severe hy pomagnesemia ... Evaluation - Check magnesium ... EKG) Consider magnesium ... arrhythrnia (aggressive magnesium ... #Hypokalemia #Management
Hypermagnesemia - Diagnosis and Management

Hypermagnesemia is a serum magnesium concentration > 2.6 mg/dL.
Symptoms include hyporeflexia, hypotension,
Hypermagnesemia ... Diagnosis and Management ... Hypermagnesemia ... ICU Causes of Hypermagnesemia ... #Diagnosis #Management