患者术前血压170/100mmHg,心率84次/分,在异氟烷吸入麻醉下胃癌根治术。诱导后当异氟烷浓度达1.6MAC时。血压降至95/50mmHg,心率为1...

作者: rantiku 人气: - 评论: 0
问题 患者术前血压170/100mmHg,心率84次/分,在异氟烷吸入麻醉下胃癌根治术。诱导后当异氟烷浓度达1.6MAC时。血压降至95/50mmHg,心率为118次/分,ECG出现多个室性早搏。 此时低血压最可能的原因是 ( )
选项 A、吸入麻醉过深,心血管受抑制 B、术中发生脑血管意外 C、麻醉药物选择不当 D、病人出现急性心力衰竭 E、血容量过低,回心血量少
答案 A
解析

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