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Hypermagnesemia
-levels - ✔✔Mg > 2.2 - 2.4
3 broad etiologies of hyperMg - ✔✔1. decreased elimination
2. increased intake
3. increased tissue breakdown
hyperMg etiology: decreased elimination
-4 causes - ✔✔1. renal insufficiency 2/2 hypovolemia from vomiting, diarrhea, or
diuretics
2. addison's disease (adrenal insufficiency)
3. hypothyroidism
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, 4. familial hypocalciuric hypoCa
hyperMg etiology: increased intake
-3 causes - ✔✔1. Mg therapy
-premature labor, eclampsia, cardiac arrhythmias
2. laxatives/antacids
3. supplements
hyperMg etiology: increased tissue breakdown
-2 causes - ✔✔1. rhabdo
2. trauma
-surgeries
-burns
when is hyperMg symptomatic?
-3 body systems affected - ✔✔when levels > 4-5 mg/dL
1. GI
2. neuromuscular
3. cardiovascular
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