腹部损伤来急诊的病人腹腔抽出不凝血应诊为A.后腹膜血肿B.误穿入血管C.实质脏器破裂D.前腹壁血肿E.空腔脏器破裂

作者: rantiku 人气: - 评论: 0
问题 腹部损伤来急诊的病人腹腔抽出不凝血应诊为
选项 A.后腹膜血肿 B.误穿入血管 C.实质脏器破裂 D.前腹壁血肿 E.空腔脏器破裂
答案 C
解析 :腹部损伤时,腹膜的间皮细胞释放的纤维蛋白溶酶原激活因子被激活,当实质性脏器破裂时,腹腔内积血不易凝固,故可抽出不凝血。前腹壁血肿多半表面可触及,不应作为穿刺首选部位来判定是否有腹腔内脏器受累,而前腹壁血肿短期内不应抽出不凝血。腹膜后血肿不应于腹腔内抽出不凝血,误穿入血管抽出之血应为可凝固血。空腔脏器破裂时抽出液应为消化液、粪样渗出液,或含血性消化液或渗出液,而不应该为不凝血。

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