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a chemical element, atomic number 12, atomic weight 24.312. (See Appendix 6.) Its salts are essential in nutrition, being required for the activity of many enzymes, especially those concerned with oxidative phosphorylation. It is found in the intra- and extracellular fluids and is excreted in urine and feces. The normal serum level is approximately 2 mEq/L. Magnesium deficiency causes irritability of the nervous system with tetany, vasodilation, convulsions, tremors, depression, and psychotic behavior.
magnesium carbonate an antacid.
magnesium chloride an electrolyte replenisher and a pharmaceutic necessity for hemodialysis and peritoneal dialysis fluids.
magnesium citrate a saline laxative used for bowel evacuation before diagnostic procedures or surgery of the colon; administered orally.
magnesium salicylate see salicylate.
magnesium silicate MgSiO3, a silicate salt of magnesium; the most common hydrated forms found in nature are asbestos and talc.
magnesium sulfate Epsom salt; an anticonvulsant and electrolyte replenisher, also used as a laxative and local antiinflammatory.
a sodium-free salicylate derivative with antiinflammatory, analgesic, and antipyretic actions; used for relief of mild to moderate pain.
the magnesium salt of salicylic acid, used as an analgesic, antipyretic, antiinflammatory, and antirheumatic. It is administered orally.
a chemical element, atomic number 12, atomic weight 24.312, symbol Mg. See Table 6. Its salts are essential in nutrition, being required for the activity of many enzymes, especially those concerned with oxidative phosphorylation. It is found in the intra- and extracellular fluids and is excreted in urine and feces.
magnesium ammonium phosphate (MAP)
a common constituent of urinary calculi. See urolithiasis.
level of magnesium in the blood.
magnesium carbonate, magnesium hydroxide, magnesium oxide, magnesium phosphate, magnesium trisilicate
compounds used as antacids.
used as a source of magnesium in the treatment of hypomagnesemia in cattle, and as a chemical defibrillator in cardiopulmonary resuscitation.
a mild cathartic.
a magnesium replenisher.
magnesium nutritional deficiency
is most important in the part that it plays in lactation tetany in ruminants. It also causes deformities of the limbs and nervous signs of tremor and convulsions in pigs. See also lactation tetany (1).
the magnesium salt of salicylic acid used as an antiarthritic.
talcum powder; capable of causing starch granulomatous peritonitis if introduced into the peritoneal cavity, so it has been superseded by other compounds for use on surgeon's gloves.
Epsom salts; used as an electrolyte replenisher, cathartic and local anti-inflammatory.
magnesium sulfate-chloral hydrate mixture
see chloral hydrate and magnesium sulfate.