成人择期手术,由仰卧位改为坐位血压由120/80mmHg降至100/65mmHg,心率由72次/分增至85次/分,应考虑患者可能存在()A.低血容量B...

作者: rantiku 人气: - 评论: 0
问题 成人择期手术,由仰卧位改为坐位血压由120/80mmHg降至100/65mmHg,心率由72次/分增至85次/分,应考虑患者可能存在()
选项 A.低血容量 B.心功能不全 C.体液超负荷 D.缺氧 E.颅内高压
答案 A
解析

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