檢視肺动脉干的原始碼

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| style="background: #008080" align= center|  '''<big>肺动脉干</big> '''

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[[File:U=351555791,2588226165&fm=26&gp=0.jpg|缩略图|居中|[https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1607601180668&di=74aa0f95f1535461cbb60fed034c80f5&imgtype=0&src=http%3A%2F%2Fe.hiphotos.baidu.com%2Fzhidao%2Fpic%2Fitem%2Fa8ec8a13632762d00bf0a1b7a0ec08fa503dc6e8.jpg 原图链接][https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E8%82%BA%E5%8A%A8%E8%84%89%E5%B9%B2&step_word=&hs=0&pn=7&spn=0&di=42680&pi=0&rn=1&tn=baiduimagedetail&is=0%2C0&istype=0&ie=utf-8&oe=utf-8&in=&cl=2&lm=-1&st=undefined&cs=351555791%2C2588226165&os=3947293461%2C3918239277&simid=4137466862%2C545958020&adpicid=0&lpn=0&ln=461&fr=&fmq=1607591091739_R&fm=&ic=undefined&s=undefined&hd=undefined&latest=undefined&copyright=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&ist=&jit=&cg=&bdtype=0&oriquery=&objurl=http%3A%2F%2Fe.hiphotos.baidu.com%2Fzhidao%2Fpic%2Fitem%2Fa8ec8a13632762d00bf0a1b7a0ec08fa503dc6e8.jpg&fromurl=ippr_z2C%24qAzdH3FAzdH3Fzit1w5_z%26e3Bkwt17_z%26e3Bv54AzdH3Fq7jfpt5gAzdH3F89bda0ld9_z%26e3Bip4s&gsm=7&rpstart=0&rpnum=0&islist=&querylist=&force=undefined来自 百度 的图片]]]

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较短的主肺动脉干起自动脉干的左后壁，一般[[左冠状动脉]]开口位置较高，因此先在主肺动脉起始部前壁切一小口，看清切口下方的解剖结构后，再将切口向下向后延伸，将肺动脉自动脉干上切下来，注意避免的损伤左冠状动脉开口及动脉干的瓣膜，动脉干的切口可直接缝合，如果有张力则以补片修补。