3 results
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... Differential Diagnosis Algorithm ... Urine Mg > 10g • Loop ... Diuretics • Hypercalcemia-PTH ... Hypomagnesemia #Magnesium
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Medications - Loop ... abnormalities - Hypercalcemia ... Diagnosis #Low #Magnesium ... #Table #Classification ... #Causes #Workup
Recurrent Polymorphic VT/Torsades de Pointes - Management Algorithm
Drugs that prolong QT interval:
 • Class 1a (quinidine,
Recurrent Polymorphic ... Pointes - Management Algorithm ... Hypokalemia • Hypocalcemia ... TdP First line: magnesium ... 1b (lidocaine)- case