9 results
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
with secondary, hypocalcemia ... - Acquired: Medications ... pentamidine), Hypercalcemia ... #nephrology #magnesium ... #low
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia - ... Primary intestinal hypomagnesemia ... abnormalities - Hypercalcemia ... - Hypokalemia ... Magnesium #Table
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypokalemia Differential ... Low intake ... • Hypomagnesemia ... amzn.to/2LmUODZ #Hypokalemia ... #Causes #Classification
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... - Polyuria - Hypomagnesemia ... DrEricStrong #Hypokalemia ... Diagnosis #Low # ... #Causes
Potassium-Binding Agents to Treat Hyperkalemia
Sodium zirconium cyclosilicate (Lokelma):
 • Mechanism: Preferentially captures K in exchange for
Agents to Treat Hyperkalemia ... to moderate); hypokalemia ... Side Effects: Hypomagnesemia ... ; hypokalemia; constipation ... Potassium #Binding #Hyperkalemia
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... Diuretics • Hypercalcemia-PTH ... @kdjhaveri #Hypomagnesemia ... #Magnesium #Low ... #Causes #Differential
Evaluation and Management of Hypokalemia

Hypokalemia is often asymptomatic. Evaluation begins with a search for warning signs
Management of Hypokalemia ... Hypokalemia is ... (ECG), severe hypokalemia ... Most cases of hypokalemia-induced ... of concurrent hypomagnesemia
Recurrent Polymorphic VT/Torsades de Pointes - Management Algorithm
Drugs that prolong QT interval:
 • Class 1a (quinidine,
Abnormalities: Hypomagnesemia ... • Hypokalemia ... • Hypocalcemia ( ... rarely) Treatment ... TdP First line: magnesium
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
heart disease Causes ... Sympathomimetics • Hypomagnesemia ... • Hypokalemia ... Digoxin toxicity Symptoms ... classified as: • Low