肺炎链球菌肺炎,若未及时使用抗生素,发生肺外感染的机率是多大() ["10%","5%","15%~20%","40%~50%","30%~50%"]
男性,40岁,因室上性心动过速射频消融。股动脉加压包扎24小时后解除压迫,下床活动去厕所突然晕厥,经抢救无效死亡。首先考虑() ["A.室上速复发","B.室速","C.心包填塞","D.肺栓塞","E.高度房室传导阻滞"]
患者,男,43岁,右眼突出5个月,甲状腺机能检查正常。CT示右眼眶下直肌肌腹梭形增粗,密度较低,注射造影剂后增强明显。最可能的诊断为() ["炎性假瘤","甲状腺性突眼(格雷夫斯病)","横纹肌肉瘤","海绵窦瘘,眼外肌充血","细菌性眼肌炎"]
哪种疾病合并房颤易引起晕厥() ["扩张型心肌病","肥厚型心肌病","二尖瓣关闭不全","主动脉瓣关闭不全","高血压病"]
抗菌药物标准疗程通常为() ["5天","10天","14天","21天","7天"]
FP系列PLC的输入和输出继电器采用()编号,其它内部继电器为()编号。