患者男性,29岁,呼吸困难,气急,乏力,心衰,心界扩大,听诊有瓣膜反流性杂音,临床诊断为扩张型心肌病。其超声心动图表现可有()。 ["A.心腔扩大","荡击波征","各瓣膜开放幅度减低","二尖瓣"钻石"征","二尖瓣城墙样改变","室壁运动弥漫性减低","二尖瓣吊床征"]
患者男性,29岁,呼吸困难,气急,乏力,心衰,心界扩大,听诊有瓣膜反流性杂音,临床诊断为扩张型心肌病。关于扩张型心肌病,心腔内血栓形成的特点有()。 ["A.多发生于左室心尖部","运动度大","运动度小","多为低回声","时间长者可机化","可脱落","可发生栓塞"]
甲类传染病包括() ["鼠疫","肺结核","脊髓灰质炎","伤寒","艾滋病"]
患者男性,29岁,呼吸困难,气急,乏力,心衰,心界扩大,听诊有瓣膜反流性杂音,临床诊断为扩张型心肌病。关于扩张型心肌病,二尖瓣的改变有()。 ["A.二尖瓣"钻石"征","二尖瓣舒张期震颤波","SAM现象","二尖瓣吊床征","大心腔、小瓣口改变","二尖瓣前后叶同向","二尖瓣前后叶反向"]
女性,18岁,右颈部淋巴结肿大,低热,乏力,消瘦。淋巴结活检的组织象是大片凝固性坏死,其周见上皮样组织细胞,偶见朗汉斯巨细胞,其病理诊断应为() ["结节病","结核","猫抓病","传染性单核细胞增生症","间变性大细胞淋巴瘤"]
体表手术时()腹部手术时()