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冠状动脉造影(心导管)

ID: ANCE00182chis
医学动画文字记录:冠状动脉造影是对心脏的x光检查。这项检查可以观察到心脏中的冠状动脉血管。它可以发现一种叫做斑块的蜡质物质是否使这些血管变窄,还可以显示心脏瓣膜和心室的工作情况。冠状动脉造影术通常与一种叫做心导管插入术的操作一起进行。在手术之前,你躺在一张有x光设备的平台上,这种x光设备叫做透视仪。通常,心导管是通过手腕的桡动脉进行的。这种方法通常出血和并发症较少。有时可以用腹股沟的股动脉代替。首先,医生会麻醉手腕上的皮肤,用一根针插入桡动脉。将一根导线穿过这根针,导线将被轻轻地引导穿过动脉到达心脏。取出针头,换成一个叫做导管鞘的小软管。这样就可以进入桡动脉。接下来,将一根叫做导管的软管通过导线穿过护套。导管将穿过你的心脏,然后透视仪将绕着胸部移动,对心脏进行x光成像。医生会用这些图像检查导管。当导线和护套插入时,你可能会感到压力,但在动脉内部你不会感到压力。一旦导管到达冠状动脉,导线就会被移除。导管尖端将被放置在每根动脉内,注射一种特殊的染料。这种染料可以让透视仪对动脉进行x线摄影,称为血管造影。当动脉充满染料时,任何阻塞都会被清楚地识别出来。注射染料时,你可能会感到脸红或轻微恶心。在手术结束时,从手腕取出导管。在桡动脉上加一个压带以防止出血,然后取下护套。带子会一直戴在手腕上,直到流血停止。要了解更多关于冠状动脉造影的信息,请咨询医生。

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