20xx年醫(yī)學專題—呼吸機相關基礎知識(文件)
【正文】 sive medicine,第二十二頁，共三十八頁。,Pressure trigger,患者引起管道內壓力(yāl236。,Flow trigger,由于流速觸發(fā)中背景氣流的存在，患者吸氣時即刻新鮮的氣體 流速觸發(fā)比壓力觸發(fā)更敏感(mǐngǎn)，呼吸機的反應時間(響應時間)較短,The First Affiliated Hospital of Bengbu Medical College in intensive medicine,第二十六頁，共三十八頁。)相 PS 定容,潮氣量：預設 氣流大小：預設 氣流形態(tài)(x237。)波,The First Affiliated Hospital of Bengbu Medical College in intensive medicine,flow,time(sec),flow,time(sec),0,0,吸氣(xī q236。)相 PS 定壓,The First Affiliated Hospital of Bengbu Medical College in intensive medicine,第三十頁，共三十八頁。nzhě)的吸氣用力程度、氣道阻力、肺的順應性,第三十一頁，共三十八頁。ng)切換：吸氣達到預設潮氣量時,吸氣終止 壓力切換：呼吸道達到設置壓力時使吸氣終止 流速切換：當吸氣流速降至預設的峰流速%以下,The First Affiliated Hospital of Bengbu Medical College in intensive medicine,第三十二頁，共三十八頁。,通氣模式(m243。biāo),第三十四頁，共三十八頁。,Thank you for your attention,The First Affiliated Hospital of Bengbu Medical College in intensive medicine,蚌醫(yī)一附院 重癥醫(yī)學科,第三十七頁，共三十八頁。蚌醫(yī)一附院 重癥醫(yī)學科。流速切換(qiē hu224。,。呼氣相 PS PEEP。呼氣.PS.要呼完嗎 who。ir243。,Alarms,壓力報警(b224。)及機制,The First Affiliated Hospital of Bengbu Medical College in intensive medicine,自己(z236。)相 PS PEEP,是指呼吸機在吸氣時產(chǎn)生正壓，將氣體壓入肺內，呼氣相氣道壓始終保持在正壓水平的通氣模式 防止肺泡萎縮，提高肺順應性，降低呼吸功和耗氧量，增加肺泡和間質的壓力，促進肺間質和肺泡水腫的消退(xiāotu236。)切換,時間切換：通過預設的吸氣時間使吸氣終止 容量(r243。)相 PS 定壓,The First Affiliated Hospital of Bengbu Medical College in intensive medicine,“定壓”是指吸氣壓力恒定 氣流大小不定 氣流形態(tài)
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