呼吸机基本波形PPT推荐.ppt

1、呼吸机基本波形呼吸机基本波形Jay.DingCompany ConfidentialForinternaluseonly机械通气四大变量机械通气四大变量流量压力容量时间定流通气变流通气CompanyConfidentialForinternaluseonly吸气流量波吸气流量波机控呼吸机控呼吸 呼吸机送气开始吸气峰流量吸呼切换吸气时间整个呼吸周期时间（TCT）CompanyConfidentialForinternaluseonly漏气对切换的影响漏气对切换的影响CompanyConfidentialForinternaluseonly双重切换双重切换CompanyConfidentialFo

2、rinternaluseonly延迟时间效应延迟时间效应 CompanyConfidentialForinternaluseonly管路回缩力管路回缩力 CompanyConfidentialForinternaluseonly不同的流量波型不同的流量波型CompanyConfidentialForinternaluseonly吸气流量波吸气流量波自主呼吸自主呼吸吸气开始最大吸气流量吸气结束吸气时间CompanyConfidentialForinternaluseonly一次吸气过程中出现了病人吸气动作，通常在流量波形上会出现切迹，此时病人不会得到所需的流量CompanyConfidentia

3、lForinternaluseonly按需流量补偿按需流量补偿 CompanyConfidentialForinternaluseonly呼气流量波呼气流量波呼气流量波的大小、持续时间、形状取决于顺应性和阻力呼气开始呼气峰流量呼气结束呼气流量的持续时间有效呼气时间TCT整个呼吸周期时间CompanyConfidentialForinternaluseonly气道阻力增大气道阻力增大 CompanyConfidentialForinternaluseonly被动呼气和主动呼气被动呼气和主动呼气CompanyConfidentialForinternaluseonly压力曲线压力曲线 Compan

4、yConfidentialForinternaluseonly吸气暂停吸气暂停CompanyConfidentialForinternaluseonly阻力、流量、顺应性影响（固定潮气量）阻力、流量、顺应性影响（固定潮气量）CompanyConfidentialForinternaluseonlyPEEP/CPAPCompanyConfidentialForinternaluseonly气道压和肺泡压气道压和肺泡压CompanyConfidentialForinternaluseonlyCompanyConfidentialForinternaluseonly平均气道压平均气道压Company

5、ConfidentialForinternaluseonly自主触发自主触发CompanyConfidentialForinternaluseonly未达到触发灵敏度未达到触发灵敏度CompanyConfidentialForinternaluseonly未能触发辅助通气的呼吸时，时间的测算也会受到影响。#CompanyConfidentialForinternaluseonly压力上升时间压力上升时间 CompanyConfidentialForinternaluseonlyPCV/PSVCompanyConfidentialForinternaluseonly双水平正压通气下的压力曲线双水

6、平正压通气下的压力曲线 两个不同水平的PEEP交替使用Phigh，Plow，Thigh，Tlow参数的不同组合和病人自主呼吸的情况，可衍生出几种不同的模式CompanyConfidentialForinternaluseonlyAPRVCompanyConfidentialForinternaluseonly食道压食道压测量食道压，需要放置测压管进入病人食道，由于食道内消化液的关系，最好采用带套囊的盲端测压管CompanyConfidentialForinternaluseonly食道测压管最好放置在右心房的后侧CompanyConfidentialForinternaluseonlyComp

7、anyConfidentialForinternaluseonlyCompanyConfidentialForinternaluseonly容量容量-时间曲线时间曲线 CompanyConfidentialForinternaluseonly自动管路顺应性补偿自动管路顺应性补偿CompanyConfidentialForinternaluseonly压力压力容量环容量环 CompanyConfidentialForinternaluseonlyCompanyConfidentialForinternaluseonly气道压和气管内压气道压和气管内压 CompanyConfidentialFor

8、internaluseonlyPaw实线代表呼吸机端（气管插管远端）所反映的P-V环，包含了气管插管所导致的阻力。#Ptrach虚线代表总气管内（气管插管末端）所反映的P-V环，排除了气管插管所引起的阻力因素。#测Ptrach另需用2mm的细导管经气管插管插至气管导管外CompanyConfidentialForinternaluseonly静态压力容量环静态压力容量环CompanyConfidentialForinternaluseonly流量流量-容量环容量环 CompanyConfidentialForinternaluseonly方波和递减波方波和递减波CompanyConfidentialForinternaluseonly压力压力-流量环流量环 临床使用较少CompanyConfidentialForinternaluseonlyCompanyConfidentialForinternaluseonly