PaO2/FiO2 的参考范围为 350 ~ 500 mmHg（年龄越大，参考值越低）。 Horovitz 等人认为PaO2/FiO2≤ 300 mmHg 意味着存在显著的肺部功能障碍（诊断 I 型呼吸衰竭要求海平面大气压下 PaO2＜ 60 mmHg，空气 FiO2为 21%， PaO2/FiO2大致计算为 ＜ 300 mmHg），后续柏林定义及 ARDS 相关指南也都采用这一界值来进行相关诊断 ...

机械通气，就是用呼吸机代替或辅助病人自己呼吸。核心搞清楚三件事：这口气谁触发、潮气量多大、吸呼怎么切换——这三个要素，决定了它属于哪种模式。   为什么重要 新病人插管上机，参数是你手底下敲进去的。潮气量给大了，气压伤、血压掉；PEEP给小了，肺泡反复开闭萎陷；FiO2一上来就100%，氧中毒跟着来。RICU的病人、术后转回的病人、COPD急性加重的病人，你得看得懂呼吸机屏幕那串数字，知道下一步往 ...

Common clinical scenarioThe pneumonia patient from last time (1-1). With a 10L reservoir, SpO2 was 89% and respiratory rate was 34. Started Nasal High Flow (HFNC) at 50L/min, FiO2 0.6.One hour later, ...

A multicenter Argentine cohort study developed a five-variable predictive model, built into a nomogram, that estimates the ...

A 4 month old, 6 kg girl is admitted to the PICU for respiratory failure. She is cyanotic and retracting. She is intubated due to worsening tachypnea, increasing work of breathing, and fatigue. Her ...

Hem yüzde üzerinden hem de miligram kapsamında fio2 oranı ön plana çıkar. Bu bağlamda hastaların oksijen alım noktasındaki değerlendirilmeleri ile beraber 300 ila 500 mmHg oranı normal aralık olarak ...