患者男,70岁,头晕、乏力、心悸数月,近1周发生2次晕厥。查体:Bp:170/85m

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问题:

患者男,70岁,头晕、乏力、心悸数月,近1周发生2次晕厥。查体:Bp:170/85mmHg,心率50次/min,节律规律,心尖区闻及2/6级收缩期吹风样杂音,心电图检查为窦性心动过缓。

进一步的检查发现心电图中发生3次长间歇,分别为4.5s、4.8s、6.0s,长间歇内无P波存在。该患者发生晕厥的最可能原因为()

A.窦性心动过缓

B.窦性传导阻滞

C.窦性停搏

D.二度房室传导阻滞

E.三度房室传导阻滞

考点:心血管内科(医学高级)心血管疾病常用无创诊断技术心血管疾病常用无创诊断技术题库
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       对联,雅称「楹联」,俗称对子。它言简意深,对仗工整,平仄协调,是一字一音的汉语语言独特的艺术形式。可以说,对联艺术是中 * * 的文化瑰宝。请认真阅读下列两副对联,指出分别适合于什么门店。

(1)雪中送炭家家暖,锦上添花户户春。(              )

(2)不教白发催人老,更喜春风满面生。(              )

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根据《传染病防治法》的规定,城镇中若发现甲类传染病和乙类传染病中的艾滋病、肺炭疽病人、病原携带者或疑似病人时,国家规定的报告时间是

A.6小时以内
B.7小时以内
C.10小时以内
D.12小时以内
E.24小时以内

题型:单项选择题 共用题干题

严重烧伤病人全身应用抗生素的原则()

A.必须采取经验用药

B.出现脓毒症早期表现时,无需等待血培养结果,考虑经验性用药

C.发生脓毒症时,创面局部宜应用广谱抗生素

D.抗生素联合应用过程中,应注意防止发生真菌感染

E.创面分泌物培养阳性后方可应用抗生素

题型:单项选择题 共用题干题

在爆破施工完起爆前,必须进行最后一次爆破网路检查,检查网路是否有()和雷管脱节等现象。

A.重联

B.漏联

C.多联

题型:单项选择题 共用题干题

Jan: People should not go to the new exhibition of Thornton’s paintings. Thornton will be given a portion of the admission proceeds and Thornton, a violent sociopath, should not be supported.
Kim: Your recommendation is inconsistent with your actions, because you read poems by poets who also were violent sociopaths.
Which of the following, if true, provides the pest basis for Jan to counter Kim’s argument

A.Thornton’s portion of the exhibition’s proceeds are being donated to a cause deemed worthy by Thornton.

B.It is quite difficult, if not impossible, for Jan to discover the behavioral tendencies of the artists Jan reads.

C.Kim does not use products made by companies whose hiring practices Kim finds abhorrent.

D.The poets derived no benefit from Jan’s reading their poems.

E.(E) The poets’ violent behavior is better known to the public than is Thornton’s violent behavior.

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