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高渗溶液是针对血浆渗透压而言。血浆正常渗透压是310毫渗压/升(这是因为血浆中所含电解质正、负离子都起渗压作用,故为155~*×2=310毫渗压/升)。静脉输液时,所输用溶液的渗透压如和血浆渗透压相等,则此溶液为等渗溶液;如输用溶液压渗透压超过310毫渗压/升,即为高渗溶液;如低于280毫渗压/升,即为低渗溶液。本文报告一例因大量输入高渗溶液纠正腹泻、脱水而引起患儿癫痫样发作的教训,以引起同道注意。
Hypertonic solutions are for plasma osmolality. Normal plasma osmolality is 310 milliamperes / liter (this is because the plasma contains electrolytes positive and negative ions play a seepage pressure effect, so the 155 ~ * × 2 = 310 milliosurgery / liter). Intravenous infusion, the transfusion solution of the osmotic pressure and plasma osmolality equal, then the solution is isotonic solution; such as infusion of solution pressure osmotic pressure exceeds 310 milliarolol pressure / liter, that is, hypertonic solution; such as less than 280 mm osmosis / liter, that is, hypotonic solution. This article reports a case of hypertrophy caused by the input of hypertonic solution to correct diarrhea, dehydration and epilepsy in children caused by the lessons to arouse their attention.