患者男性,62岁,慢性咳嗽、咳痰10余年。有冠心病病史5年,平时无症状。昨日因胃溃疡大出血急诊手术治疗,手术后第一天出现呼吸困难,伴发热。动脉血气分析(呼吸空气时):pH7.48,PaO50mmHg(6.7kPa),PaCO230mmHg(4.0kPa);心电图未见明显ST-T改变;D-二聚体0.5ng/L;胸片示双肺纹理增粗,普遍模糊。患者呼吸困难加重,呈端坐位,双肺底水泡音伴广泛哮鸣音,剧咳,有较多泡沫痰,其诊断应首先考虑() ["A.急性左心衰竭,肺水肿","间质性肺水肿","全心衰竭","合并支气管哮喘","自发性气胸"]
下列证券投资风险中,()可以通过多样化投资而分散。 ["购买力风险","经济周期波动风险","信用风险","财务风险"]
最常见的肾肿瘤是() ["肾错构瘤","肾癌","肾血管瘤","肾腺瘤","肾脂肪瘤"]
患者,女性,25岁,因咳嗽、咳痰伴体重减轻2个月就诊,X线片检查示左上肺大片高密度阴影,隐约可见虫蚀样透光区,边缘模糊不清,疑诊为结核。诊断结核经济又价值的检查是() ["A.胸部CT","结核抗体检查","PCR","痰查结核杆菌","经胸壁穿刺肺活检"]
若欲对大容积筛选成像,检查非复杂性慢流血管,常先采用:() ["2D-TOF","3D-TOF","2D-PC","3D-PC","黑血法"]
G6PD缺陷溶血性贫血可见()PK酶缺陷溶血性贫血可见()遗传性球形红细胞增多症可见()