首页/ 题库 / [单选题]男性,65岁,突发心悸1天,心率150次的答案

男性,65岁,突发心悸1天,心率150次/分,心电图示心房颤动。以下用药应作为首选的是()

单选题
2021-12-21 14:29
A、缓释维拉帕米
B、利多卡因
C、毛花苷C
D、硝酸甘油
E、普萘洛尔
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正确答案
C

试题解析
患者为老年男性,突发快速心室率的心房颤动,治疗原则应是尽快降低心室率。利多卡因、硝酸甘油对转复心房颤动心律及减慢心室率无效。目前心房颤动伴快速心室率仍将洋地黄类(毛花苷C)作为首选药物。

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