Magnesium Imbalances Flashcards
Magnesium is important for…
Cellular function
Cofactor for numerous biochemical processes
Hypomagnesemia is usually asymptomatic, but symptoms that could manifest include…
Neuromusclar: tetany, muscle twitches
Cardiac: heart palpitations, ECG changes, cardiac arrhythmias
Hypomagnesemia may be caused by…
Decreased intestinal magnesium absorption (chronic diarrhea, ulcerative colitis, chronic PPI use)
Renal magnesium wasting - loop/thiazide diuretics
Treatment of hypomagnesemia is with…
Oral supplementation, except in severe deficiency
The most common adverse effect of magnesium treatment is…
Diarrhea
Hypermagnesemia may occasionally be seen in…
CKD with execss magnesium consumption
Hypermagnesemia symptoms are rare, but could manifest as…
Muscle weakness, lethargy, confusion, dysrhythmias
> 2 mmol/L
In mild hypermagnesemia cases, we should…
Identify + correct the cause
In severe hypermagnesemia, we should treat with…
IV calcium to antagonize cardiac effects of hypermagnesemia
Loop diuretics to increase magnesium elimination
