未知题型

患者，男性，34岁。右侧第4～7肋骨骨折并发气胸，呼吸极度困难，发绀，出冷汗。检查：血压65／40mmH9，气管向左侧移位，右侧胸廓饱满，叩诊呈鼓音，颈、胸部有广泛皮下气肿，首要的处理方法是

A.立即开胸探查
B.胸膜腔穿刺排气减压
C.输血、补液
D.气管插管辅助呼吸
E.吸氧

【参考答案】

B
患者表现符合张力性气胸特点，由于伤侧胸膜腔压力不断升高，严重影响呼吸循环功能，应立即给予减压。

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