患者男性,72岁。发作性晕厥 3 次住院。心电图:三度房室传导阻滞,心室率40次/分。首选治疗是()A .临时心脏起搏 B .肾上腺素 C .利多...

作者: rantiku 人气: - 评论: 0
问题 患者男性,72岁。发作性晕厥 3 次住院。心电图:三度房室传导阻滞,心室率40次/分。首选治疗是()
选项 A .临时心脏起搏 B .肾上腺素 C .利多卡因 D .胺碘酮 E .心脏按摩
答案 A
解析 该患者为三度房室传导阻滞,心室率缓慢,且晕厥反复发作,宜安装临时心脏起搏。肾上腺素、利多卡因、胺碘酮主要用于快速性心律失常;心脏骤停时应立即心脏按摩。

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