呼吸机波形分析简介（容积-时间曲线）

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                    <section><section powered-by="gulangu"><section><section><p><img src="image/20201019/1e74e2ada54be922b0dc98181dab60fc_1.gif" /></p></section></section></section><section powered-by="gulangu"><section><section><p><br  /></p></section></section></section><section powered-by="gulangu"><section><section><section><section powered-by="gulangu"><section><section><p>容积-时间曲线</p></section></section></section></section></section></section></section><section powered-by="gulangu"><section><section><p><img src="image/20201019/82fca1e21688087da339d066cf279978_2.jpg" /></p></section></section></section><section powered-by="gulangu"><section><section><p>&nbsp; &nbsp; &nbsp; &nbsp;容积定义为气体的升数。图中A提示吸气容积，B提示呼气容积。吸气时间（I time）从吸气的起点到呼气的起点测量。呼气时间（E time）从呼气的起点到吸气的起点测量。</p><p>&nbsp; &nbsp; &nbsp; &nbsp;图中1.7秒后病人已经呼气完全，3.3秒后再次完成呼气。对于这个病例而言，由于呼气结束与下次吸气开始之前有相对多的时间，增快呼吸频率不大可能导致气体陷闭。</p></section></section></section><section powered-by="gulangu"><section><section><p><br  /></p></section></section></section><section powered-by="gulangu"><section><section><section><section powered-by="gulangu"><section><section><p>检测气体陷闭或泄漏</p></section></section></section></section></section></section></section><section powered-by="gulangu"><section><section><p><img src="image/20201019/bb518363d444e25a3f66ad12c5a10550_3.jpg" /></p></section></section></section><section powered-by="gulangu"><section><section><p>&nbsp; &nbsp; &nbsp; &nbsp;图中呼气不能回到零点A。进入和呼出的容积总是不相等。气体泄漏或气体陷闭常常导致呼气容积低于吸气容积。在呼气时显示的平台A是呼气末的容积，持续到下一次吸气的开始。</p></section></section></section><section powered-by="gulangu"><section><section><p><br  /></p></section></section></section><section powered-by="gulangu"><section><section><section><section powered-by="gulangu"><section><section><p>双水平通气</p></section></section></section></section></section></section></section><section powered-by="gulangu"><section><section><p><img src="image/20201019/13213386ea4e847ce882211781bf48f1_4.jpg" /></p></section></section></section><section powered-by="gulangu"><section><section><p>&nbsp; &nbsp; &nbsp; &nbsp;图中在指令呼吸A的输送气流、PEEPH(B)和PEEPL(C)时的自主呼吸的输送气流。</p></section></section></section><section powered-by="gulangu"><section><section><p><br  /></p></section></section></section><section powered-by="gulangu"><section><section><section><section powered-by="gulangu"><section><section><p>双水平模式的气道压力释放通气</p></section></section></section></section></section></section></section><section powered-by="gulangu"><section><section><p><img src="image/20201019/29a274995e2cacf83ee7551cc5ff61c3_5.jpg" /></p></section></section></section><section powered-by="gulangu"><section><section><p>&nbsp; &nbsp; &nbsp; &nbsp;图中用双水平通气的ARRV、在PEEPH伴有自主呼吸。</p></section></section></section><section powered-by="gulangu"><section><section><p><br  /></p></section></section></section><section powered-by="gulangu"><section><section><section powered-by="gulangu"><section><section><p>欢</p></section></section></section></section><section><section powered-by="gulangu"><section><section><p>迎</p></section></section></section></section><section><section powered-by="gulangu"><section><section><p>关</p></section></section></section></section><section><section powered-by="gulangu"><section><section><p>注</p></section></section></section></section></section></section><section powered-by="gulangu"><section><section><p><br  /></p></section></section></section><section powered-by="gulangu"><section><section><section powered-by="gulangu"><section><section><p><img src="image/20201019/d3a5e4bb2495caacb4c29d05f2cee7f1_6.jpg" /></p></section></section></section></section><section><section powered-by="gulangu"><section><section></section></section></section></section><section><section powered-by="gulangu"><section><section><p>关注我们</p><p>一起涨姿势！</p></section></section></section></section></section></section></section>