男,49岁,入院诊断为肝内外胆管结石,拟行肝内外胆管切开取石术,既往有胸闷、心前区不适8年。术中机械通气的模式宜选() ["A.间歇正压通气","低频通气","过度通气","高频通气","间歇正压合并呼末正压通气"]
二尖瓣关闭不全可见于() ["风湿性心脏病","感染性心内膜炎","先天性心脏病","退行性心脏病","以上都是"]
超声诊断急性胆囊炎的要点为() ["胆囊不一定肿大,但可有压痛","胆囊肿大,胆囊壁明显水肿","胆囊肿大,胆囊壁水肿且有压痛,胆汁透声差","胆囊肿大,囊内见结石回声","胆囊肿大,胆汁透声度降低"]
经前期综合症的临床表现()。 ["体重减轻","水肿","乳房胀痛","腰骶部痛","腹部胀满"]
二尖瓣球囊成形术的适应证,错误的是() ["年龄40岁","重度二尖瓣狭窄,心功能3级","瓣叶钙化病变累及腱索和乳头肌","合并轻度二尖瓣关闭不全","心房扩大"]
外伤性胆道出血()胃破裂()脾破裂()