想问一下:肺气肿患者应做哪些检查?

2025-04-05 20:36:52
推荐回答(1个)
回答(1):

据北京广济哮喘医院专家介绍:
肺气肿是指终末细支气管远端的气道弹性减退,过度膨胀、充气和肺容积增大或同时伴有气道壁破坏的病理状态,因为肺气肿很容易和其他呼吸系统疾病相混淆。因此,应注意肺气肿的检查,以下是检查肺气肿的方法:
肺气肿的检查:
一、血液和痰液检查
肺气肿患者一般无异常,继发感染时似慢支急性发作表现。
二、心电图检查
肺气肿患者一般无异常,有时可呈低电压。
三、呼吸功能检查
慢支并肺气肿时,呼吸功能既有通气功能障碍如第一秒用力呼气量占用力肺活量比值<60%,最大通气量低于预计值的80%,尚有残气容积增加,残气容积占肺总量的百分比增加,超过40%说明肺过度充气,对诊断阻塞性肺气肿有重要意义。
四、血液气体分析
当肺气肿患者出现明显缺氧二氧化碳潴留时,则动脉血氧分压(PaO2)降低,二氧化碳分压(PaCO2)升高,并可出现失代偿性呼吸性酸中毒,pH值降低。
五、X线检查
肺气肿患者的症状表现为:胸廓扩张,肋间隙增宽,肋骨平行,活动减弱,膈降低且变平,两肺野的透亮度增加。有时可见局限性透亮度增高,表现为局限性肺气肿或肺大泡。肺血管纹理外带纤细、稀疏和变直;而内带的血管纹理可增粗和紊乱。心脏常呈垂直位,心影狭长。
参考资料:北京广济哮喘医院
地址:北京市丰台区丰台东路169号(花香纪家庙)

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