限制型心肌病病人常常死于（） ["猝死","心律失常","心力衰竭","肾衰竭","呼吸衰竭"]
扩张型心肌病的主要表现是（） ["心尖部收缩期杂音","心脏扩大，搏动弥漫性减弱","第三心音或第四心音","心音减弱","下肢水肿"]
开放性伤口（） ["清洁伤口","污染伤口","感染伤口","一期愈合","二期愈合"]
心房内异位起搏点极快而不规则的发出冲动，心房率350-600/分，心室率110-160/分，其属于：（） ["心房颤动","室上性阵发性心动过速","房性扑动","交界性阵发性心动过速","以上均不是"]
伤口红肿并有脓性分泌物（） ["清洁伤口","污染伤口","感染伤口","一期愈合","二期愈合"]
GIS设备主要构成元件是什么？
