该图蓝色血流信号表示() ["A.动脉血","B.静脉血","C.血流方向背离探头","D.血流方向朝向探头","E.以上均不是"]
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"]
G-6PD缺乏症根据诱发溶血的不同原因可分为以下5种临床类型,分别是____________________、________、_____________、______________、____________________。
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"]
胚胎期造血首先在______出现,然后在______,最后在______。