下列肺梗死CT特点,正确的是() ["肺外带尖端指向肺门的楔形密度增高影","空气支气管征为其特征表现","胸膜下肺梗死常伴少量胸腔积液","增强CT扫描,有时可见细小血管影","可伴急性肺水肿"]
睡眠呼吸暂停综合征的确诊依据是()。 ["心电图","肺功能","胸部X线片","多导睡眠图","血气分析"]
绝经后妇女体内雌激素以()为主,其主要来自()。
进食轻微哽噎,食管造影见中段半圆形外压改变。应考虑() ["食管息肉","食管平滑肌瘤","食管下段静脉曲张","食管憩室","食管癌"]
急性上呼吸道感染如合并细菌感染,以下哪种不常见()。 ["铜绿假单胞菌","溶血性链球菌","流感嗜血杆菌","肺炎链球菌","葡萄球菌"]
IFG