<正>产后出血在产科中较为多见,尤其在基层医疗卫生机构,设备条件差,更易被忽视,造成重大失误,甚至危及生命,是产科中常见的较严重的并发症之一。引起产后出血的主要原因[1]有:(1)高龄产妇;(2)过期妊娠;(3)子宫收缩乏力;(4)胎盘因素;(5)软产道裂伤和凝血功能障碍。要做到安全有效的预防,应从产前、产时及产后3方面着手,

It summarized the development,prevention and nursing care of asymptomatic heart failure of acute myocardial infarction patients. It mainly explained the keys of nursing intervention including that to strengthen circulation monitoring and air passage management, to control risk factors and to prevent or delay the occurrence of heart failure.