【单选题】【消耗次数:1】
De Winter综合征心电图表现正确的是:
胸前导联的T波倒置
胸前导联的ST上斜性压低伴T波的对称性高尖
胸前导联的ST上斜性抬高伴T波的对称性高尖
胸前导联的ST上斜性抬高
胸前导联的T波高尖
参考答案:
复制
纠错
相关题目
【单选题】 心电图示Ⅱ、Ⅲ、aVF导联S-T段抬高与T波融合成单向曲线,首先考虑()
①  急性前间壁心肌梗死
②  急性下壁心肌梗死
③  陈旧性下壁心肌梗死
④  急性心内膜下心肌梗死
⑤  陈旧性侧壁心肌梗死
【判断题】 高血钾时早期心电图的特征性改变是T波呈“帐篷状”。
①  正确
②  错误
【单选题】 正常心电图在以下哪一个导联P波是倒置的
①  Ⅰ导联
②  Ⅱ导联
③  avR导联
④  avF导联
⑤  V3~V6导联
【单选题】 目测法测心电轴时,I导联QRS波主波向下,III导联QRS波主波向上,初步判定心电轴( )
①  左偏
②  右偏
③  正常
④  先左偏后右偏
⑤  先右偏后左偏
【单选题】 STEMID的ST段抬高心电图特征错误的是:
①  至少2个相邻导联J点新的ST段抬高
②  V2–V3导联男性≥2mm(0.2 Mv)
③  女性≥1.5 mm(0.15mV)
④  相邻胸导联或肢体导联≥2mm(0.1mV)
⑤  ≥2个胸导联(V1-V4)ST段压低提示可能后壁透壁损伤
【单选题】 T波振幅低平是指
①  <同导联R波1/10
②  <同导联R波1/4
③  <同导联R波1/5
④  <0.5 mV
⑤  <0.1mV
【单选题】 T波代表
①  心室除极过程的电位变化
②  心室缓慢复极过程的电位变化
③  心室快速复极过程的电位变化
④  心室后继电位
【单选题】 ST段呈弓背向上抬高,出现异常Q波,提示心肌梗死处于
①  超急性期
②  急性期
③  亚急性期
④  慢性稳定期
【单选题】 T波电交替说法不正确的是:
①  系指在规整心律时,体表心电图上T波形态、极性或振幅的逐搏交替变化,排除呼吸、体位、胸腔或心包积液等心外因素。
②  多见于心肌缺血、心功能不全、电解质紊乱等患者
③  有T波电交替者,发生致命性室性心律失常的危险性增加14倍。
④  T波电交替已成为目前公认的对恶性心律失常事件(室速室颤)最具预测价值的有创电生理指标
⑤  是识别高危患者的一个重要而非常直观的指标
【单选题】 脉冲信号常见的有矩形波、锯齿波、尖脉冲等。
① 
② 
随机题目
【单选题】 14. Mary is _______ to what others think of her.
①  sensitive
②  sensational
③  sensory
④  sensible
【单选题】 11 ______, they had no chance of winning.
①  brave as they fought
②  bravely as they fought
③  If they fought bravely
④  Since they fought bravely
【单选题】 15. She suffered great mental_____ after her husband died, and as a result she became mad.
①  anger
②  . discomfort
③  unhappiness
④  anguish
【单选题】 18. Strong feelings _____ within him.
①  opened
②  . welled up
③  rose up
④  confronted
【单选题】 13. The supervisor appreciates ______ so hard in the office.
①  for your working
②  your working
③  you to work
④  for you to work
【单选题】 10. ______, he was unable to make much progress.
①  Hard as he tried
②  Though hard as he tried
③  He tried hard
④  Because he tried hard
【单选题】 6. She felt herself ______ by the wind.
①  lift
②  lifting
③  has been lifted
④  lifted
【单选题】 9.She does not_____ that she owes the money, but she just wouldn’t like to return it.
①  argue
②  . dispute
③  think
④  agree
【单选题】 9. By 2008, Beijing ______ its total discharge of pollutants.
①  will reduce
②  will have reduced
③  reduces
④  has reduced
【单选题】 5. The children were seen _______ musical instruments across the street.
①  play
②  to play
③  playing
④  played