5、candopreliminarydiagnosis.Oursystemfeaturedwithstrongcapacity of resisting disturbance,highreliability,lowpower consumptionandtinyshape,itcanbewidelyusedinthehospitalsandcommunities.Keywords:ECG;Electrocardiosignal;ZigBee;CortexM3201.引言当今中国正在步入老龄化社会,解决好老年人的日常护理问题将是我国社会下阶段发展的重大课题,其中蕴藏