患者，男，38岁，呼吸困难，晕厥，胸痛，血压120/85mmHg，听诊二、三肋间收缩期杂音，该患者最可能的诊断() ["A．感染性心内膜炎","B．肥厚型心脏病","C．高血压心脏病","D．主动脉瓣狭窄","E．主动脉缩窄"]
该病例最可能的诊断() ["A．黏液瘤","B．心房血栓","C．心房云雾影","D．房壁增厚","E．赘生物"]
该病例最可能的诊断() ["A．血栓","B．房间隔膨胀瘤","C．黏液瘤","D．赘生物","E．以上都不是"]
该图所显示的病例为() ["A．二尖瓣腱索断裂","B．二尖瓣脱垂","C．二尖瓣赘生物","D．风心二尖瓣狭窄","E．黏液瘤"]
遗传性球性红细胞增多症的三大临床特征是_____、______、_______。
小儿造血可分为_____期造血和_____造血。
