6周岁小儿按公式计算，体重应为 ["15kg","16kg","17kg","18kg","20kg"]
高血钾预激综合征 ["PR间期延长","PR间期缩短","T波高耸","T波低平","U波高大"]
主动脉瓣关闭不全扩张型心肌病 ["主动脉型心 ","二尖瓣型心 ","双侧心界扩大 ","心绝对浊音界扩大 ","心底浊音区扩大"]
男，32岁。心绞痛发作1年，发作时含服硝酸甘油胸痛加剧，体查发现胸骨左缘可闻及3级粗糙的收缩期杂音，诊断应考虑 ["冠心病心绞痛","主动脉瓣狭窄","二尖瓣关闭不全","二尖瓣脱垂综合征","肥厚梗阻型心肌病"]
什么是结构游戏?
什么是发展适宜性？
