17 results
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Hypokalemia • Hypomagnesemia ... Bowel Disease • Steatorrhea ... Hypophosphatemia #LowPhosphate
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
Causes of Hypomagnesemia ... Malabsorption (steatorrhea ... aldosteronism #Hypomagnesemia
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... Malabsorption (steatorrhea ... aldosteronism #Hypomagnesemia
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
Hypermagnesemia ... DrEricStrong #Hypermagnesemia ... Table #Causes #Management
Magnesium Electrolyte Repletion
Oral - Only do if patient does not tolerate IV
 • Magnesium oxide (can
Electrolyte #Repletion #management ... #hypomagnesemia
Potassium Electrolyte Repletion
If patient also has hypomagnesemia, replete magnesium before repleting potassium
Oral:
 • Pills (ask pharmacy
patient also has hypomagnesemia ... Electrolyte #Repletion #management
Recurrent Polymorphic VT/Torsades de Pointes - Management Algorithm
Drugs that prolong QT interval:
 • Class 1a (quinidine,
Torsades de Pointes - Management ... Abnormalities: Hypomagnesemia ... TorsadesdePointes #TDP #Management
Hypomagnesemia - Diagnosis and Management

Satyendra Dhar, MD @DharSaty

#Hypomagnesemia #Diagnosis #Management #magnesium #deficiency
Hypomagnesemia - ... Diagnosis and Management ... @DharSaty #Hypomagnesemia ... #Diagnosis #Management
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
Concomitant severe hy pomagnesemia ... #Hypokalemia #Management
Hypomagnesemia #management #treatment #algorithm #diagnosis
Hypomagnesemia # ... management #treatment