Diferencia entre revisiones de «Hypermagnesemia»
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==Background== | ==Background== | ||
High >3.5 | *High >3.5 | ||
*Magnesium is an effective calcium channel blocker both extracellularly and intracellularly<ref>Rizzo MA, Fisher M, Lock JP. Hypermagnesemic pseudocoma. Arch Intern Med. 1993;153(9):1130.</ref> | |||
*Intracellular magnesium profoundly blocks several cardiac potassium channels. | |||
==Diagnosis== | ==Diagnosis== | ||
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==See Also== | ==See Also== | ||
*[[Electrolyte Abnormalities (Main)]] | *[[Electrolyte Abnormalities (Main)]] | ||
[[Hypomagnesemia]] | |||
==Source == | ==Source == | ||
Revisión del 03:48 13 ene 2015
Background
- High >3.5
- Magnesium is an effective calcium channel blocker both extracellularly and intracellularly[1]
- Intracellular magnesium profoundly blocks several cardiac potassium channels.
Diagnosis
- 2–3 - Nausea
- 3–4 - Somnolence
- 4–8 - Loss of DTRs
- 8–12 - Respiratory depression
- 12–15 - Hypotension, heart block, Cardiac Arrest
DDX
- Renal Failure
- Lithium
- Volume depletion
- Rhabdo
Treatment
- IVF (NS)
- Furosemide 20-40mg IVP
- CaCl 10% 5mL IV over 5min
See Also
Source
Tintinalli
- ↑ Rizzo MA, Fisher M, Lock JP. Hypermagnesemic pseudocoma. Arch Intern Med. 1993;153(9):1130.