Diferencia entre revisiones de «Hypermagnesemia»
(→DDX) |
Sin resumen de edición |
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| Línea 24: | Línea 24: | ||
#Furosemide 20-40mg IVP | #Furosemide 20-40mg IVP | ||
#CaCl 10% 5mL IV over 5min | #CaCl 10% 5mL IV over 5min | ||
#HD for Mg > 8 or poor renal function | #Consider HD for Mg > 8 or poor renal function | ||
==See Also== | ==See Also== | ||
Revisión del 13:51 24 mar 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
- IV Mg (goal in PET/eclampsia 5-7 mEq/L)
- Massive PO intake (laxative abusers, Epsom salts)
- Magnesium enemas
Treatment
- IVF (NS)
- Furosemide 20-40mg IVP
- CaCl 10% 5mL IV over 5min
- Consider HD for Mg > 8 or poor renal function
See Also
Source
Tintinalli
- ↑ Rizzo MA, Fisher M, Lock JP. Hypermagnesemic pseudocoma. Arch Intern Med. 1993;153(9):1130.