【单选题】
心绞痛及昏厥常见于___
A. 二尖瓣狭窄
B. 二尖瓣关闭不全
C. 主动脉瓣狭窄
D. 主动脉瓣关闭不全
E. 三尖瓣狭窄
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答案
C
解析
暂无解析
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下列哪项不是肺动脉瓣狭窄的临床表现___
A. 胸骨左缘第二肋间可触及收缩期震颤
B. 心电图示右室扩大
C. 胸骨左缘第二肋间可听到Ⅲ-lV/6级收缩期杂音
D. X线示左室大，肺瘀血
E. 活动后心悸、气短
【单选题】
女性，30岁，风湿性心脏病史15年，平时一般活动症状不多，2天来明显心悸、气短，不能平卧，查体:心率135次/分，律绝对不齐，心电图示房颤，应立即静脉给予___
A. 利多卡因
B. 异搏定
C. 心得安
D. 西地兰
E. 速尿
【单选题】
下列哪种情况，最适宜用洋地黄___
A. 缩窄性心包炎
B. 渗出性心包炎
C. 肺心病伴心功能不全
D. 急性心梗24小时内出现心功能不全
E. 快速心室率的房颤伴心功能不全
【单选题】
下列哪种情况为洋地黄的适应症___
A. 高度房室传导阻滞，心功能IV级
B. 肥厚型梗阻性心肌病，心功能II级
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D. 急性心梗24小时后发生心率过快的房颤
E. 重度二尖瓣狭窄伴窦性心动过速及急性肺水肿
【单选题】
下列哪种情况禁用洋地黄___
A. 病毒性心肌炎并心力衰竭
B. 急性心梗合并左心衰竭
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E. 心室率过快的房颤，心电图R波初始部位粗钝者
【单选题】
下列哪种情况，最适宜用洋地黄___
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E. 肺心病伴心功能不全
【单选题】
下列哪种情况不是使用洋地黄的禁忌症___
A. 低钾引起的室性心律失常
B. I度房室传导阻滞伴心力衰竭
C. II度II型房室传导阻滞伴心力衰竭，无心脏起搏条件
D. 肥厚性主动脉瓣狭窄
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【单选题】
下列最合适用洋地黄的是___
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E. 房扑，心室率150次/分
【单选题】
以下诊断洋地黄中毒，最为特异的心电图改变是___
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【单选题】
下列哪项符合典型心绞痛___
A. 呼吸困难伴典型心电图T波改变
B. 劳累后心尖部针刺样疼痛
C. 劳力时历时数分钟胸骨后压榨感
D. 心前区痛含硝酸甘油5分钟后缓解
E. 胸痛伴心电图胸导联ST段抬高而无衍变
【单选题】
下列哪一条不符合典型心绞痛___
A. 在体力负荷、情绪激动时发生
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【单选题】
下列哪项表现不符合典型心绞痛发作___
A. 胸骨后压榨性疼痛
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E. 疼痛发作均有诱因
【单选题】
急性心肌梗死最早期的心电图改变是___
A. ST段明显抬高，呈弓背向上的单向曲线
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【单选题】
有关急性心肌梗死下列哪项不正确 ___
A. 造成冠状动脉血供中断的病因大多为冠状动脉内血栓形成
B. 严重心律失常致心排血量骤降，冠状动脉灌流量锐减是病因之一
C. 往往在饱餐后，安静或睡眠时及用力大便后
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