患者男性,27岁,因被人用刀刺伤背部,伤口流血不止半小时急诊入院。查体:神志尚清楚,表情淡漠,自诉口渴,皮肤苍白,P120次/分,BP90/70mmHg,脉压小,表浅静脉塌陷,尿少。
请估计该患者的失血量已达全身血容量的
2023-06-29
A.10%左右
B.20%左右
C.20%~40%
D.50%左右
E.大于50%
参考答案:C
B.20%左右
C.20%~40%
D.50%左右
E.大于50%
参考答案:C
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