20xx年醫(yī)學專題—呼吸波形及環(huán)圖分析分析-資料下載頁
2024-11-05 06:19本頁面
【正文】 。,Paw (cm H2O),Normal PPlat (Normal Compliance),Increased PIP,},Increased PTA (increased Airway Resistance),Increased Airway Resistance,第五十三頁，共六十二頁。,Response to Bronchodilator,Before,Time (sec),Flow (L/min),PEFR,After,Long TE,Higher PEFR,Shorter TE,第五十四頁，共六十二頁。,Increased Airway Resistance,Inspiration,Expiration,Volume (ml),Flow (L/min),Decreased PEFR,Normal Abnormal,“Scooped out” pattern,第五十五頁，共六十二頁。,DECREASED COMPLIANCE,Time (sec),Paw (cm H2O),Normal PPlat (Normal Compliance),Increased Platat (Decreased Compliance),Normal,PIP,第五十六頁，共六十二頁。,Lung Compliance Changes and the PV Loop,Volume (mL),Preset PIP,VT levels,Paw (cm H2O),COMPLIANCE Increased Normal Decreased,Pressure Targeted Ventilation,第五十七頁，共六十二頁。,Overdistension,Volume (ml),Pressure (cm H2O),,With little or no change in VT,Paw rises,Normal Abnormal,第五十八頁，共六十二頁。,Waveform Used During Mechanical Ventilation,autoPEEP bronchodilator response work of breathing Hyperexpansion adequacy of flow ventilator sensitivity Compliance leaks,第五十九頁，共六十二頁。,Problems with Waveforms,數(shù)量趨勢很重要（Tend to be more qualitative than quantitative） 需要動態(tài)觀察，而非作為治療(zh236。li225。o)或診斷的工具（We tend to look at them, but not use them as therapeutic or diagnostic tools） 一些波形的相關性尚未明確 需要大量文獻判定他們的價值,第六十頁，共六十二頁。,謝謝(xi232。 xie),第六十一頁，共六十二頁。,內(nèi)容(n232。ir243。ng)總結,呼吸機波形分析 Ventilator Waveform Analysis。圖1 流速曲線（方波）機械呼吸。典型的呼出容量等于吸入容量，除非存在著漏氣。常見原因：氣道阻力增加（氣管內(nèi)黏液增加或分泌物聚集）。容量控制通氣(tōng q236。)時，容量恒。５、SIMV+PS+PEEP。５、SIMV+PS+PEEP。主要特點： “assisted” 意指病人觸發(fā)。Flowtime curve 中自主呼吸呈典型的。謝謝,第六十二頁，共六十
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