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[单选题]
急性胰腺炎病人在急性发作时血中淀粉酶明显升高,一般在几小时后尿中淀粉酶活性也增高()
A.2~6h
B.6~10h
C.12~24h
D.25~30h
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A.2~6h
B.6~10h
C.12~24h
D.25~30h
A.血钙显著降低到3.5mmol/L以下时
B.与病情不相适应的血、尿淀粉酶突然上升
C.正铁血白蛋白阴性
D.出现Grey-Turner征或Cullen征
E.白细胞>16*109/L及血尿素氮大于11.3mmol/L,血糖大于7.9mmol/L(无糖尿病者)