患者男,61岁,因“反复心前区疼痛2年,加重2个月”来诊。诊断为CAD、三支病变,拟行非体外循环下CABG术。术中搭前降支时,患者HR38次/min,...

作者: rantiku 人气: - 评论: 0
问题 患者男,61岁,因“反复心前区疼痛2年,加重2个月”来诊。诊断为CAD、三支病变,拟行非体外循环下CABG术。 术中搭前降支时,患者HR38次/min,BP85/55mmHg,SVO275%,ST段无明显变化。此时最佳的处理是
选项 A、静脉注射多巴胺 B、观察 C、静脉注射麻黄碱 D、静脉滴注异丙肾上腺素 E、静脉注射阿托品
答案 B
解析

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