下列应首先考虑急性心肌梗死可能的情况是（） -题库考试答案搜索网

下列应首先考虑急性心肌梗死可能的情况是（）

单选题

2021-09-02 13:42

A、患者虽无症状但Ⅲ导联出现Q波
B、夜间发生心绞痛
C、缺血性胸痛持续大于30分钟
D、不明原因晕厥
E、下肢深静脉血栓形成，患者突发胸痛、呼吸困难

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正确答案

C

试题解析

Ⅲ导联出现Q波并不是心肌梗死的特征性改变，夜间发生心绞痛属于不稳定型心绞痛，晕厥原因很多，心肌梗死表现为持续性缺血性胸痛，表现为晕厥的并不多见，下肢深静脉血栓形成患者突发胸痛、呼吸困难应首先考虑急性肺栓塞的可能。

标签：冠心病皮肤科住院医师心血管内科北京住院医师麻醉科Ⅰ阶段

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