春温病名首见于() ["《内经》","《难经》","《千金方》","《伤寒补亡论》","《温病条辨》"]
估测二尖瓣瓣口面积最常用、最可靠的方法为() ["频谱多普勒连续方程法","二维测量瓣口面积法","跨瓣压差测量法","近端等速表面积法(PISA.","二尖瓣口压力减半时间法"]
老年人孤立性主动脉瓣病变,最可能的原因是() ["风湿性","先天性","马方综合征","主动脉瓣赘生物","老年性主动脉瓣退行性病变"]
二尖瓣狭窄的超声心动图改变不会出现下列哪项() ["二尖瓣增厚","二尖瓣开放受限呈圆顶状","左房扩大","前叶呈城墙样改变","后叶呈异向运动"]
二维超声心动图,检测主动脉夹层的最佳探测部位是() ["左胸骨旁","心尖区","胸骨上窝","剑突下","右胸骨旁"]
医院医保办设置的必要性是什么?