Patients with an aldosterone-producing tumor (see previous page) may need to have their serum potassium checked and take extra potassium if the level is low.
醛固酮增多（见前页）病人手术前应该检查血清钾浓度。 如果血清钾低应该先补充钾。
Sugar consumption increases serum levels of uric acid, which may lower the levels of nitric oxide, a chemical that is needed to dilate the blood vessels to keep the pressure low, the researchers said.
研究者说，糖的摄入提高血尿酸水平，降低氮氧化物水平，这个化合物可扩张血管降低血压。
The update is intended to prevent drug overdosing of children with low body weight, low body surface area, and very low serum creatinine.
最新信息意图预防低体重、低体表面积和很低血清肌酸酐的儿童药物过量。
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