FEF 25-75% Values in Patients with Normal Lung Function Can …
The forced mid-expiratory flow (FEF 25-75%) value is a potentially sensitive marker of obstructive peripheral airflow. We aimed to assess whether FEF 25-75% can be an early predictor of …
肺功能报告不会看？手把手教你识别各种参数！ - 丁香园
2021年6月11日 · 这个曲线是为了重点描述一秒量（FEV1）、用力肺活量（FVC）、峰流速（PEF）。 FEV1：上图第一个红点代表深吸气至最大量后用力呼气开始，第二个红点是一秒 …
Pulmonary Function Tests (PFTs) - EMCrit Project
2024年3月6日 · FEF 25-75 is the flow rate between 25-75% of the FVC. FEF 25-75 may be more sensitive for obstruction than FEV1/FVC, but less specific. ATS/ERS 2022 guidelines state …
FEF50、FEF75、MMEF75/25是什么意思 - 百度知道
FEF是用力呼气流量forced expiratory flow分别取50%,75%肺活量的呼气流速。说明你呼吸功能减弱。 度量标准： 通常 以它所占用用力肺活量的百分比表示。正常时，第一秒用力呼气 …
FEF
FEF 25-75 % represented small airway function and was more sensitive at reflecting airway hyperresponsiveness, inflammation, and disease severity as compared with FEV 1 % in …
2012年6月5日 · Pulmonary function tests cannot by themselves distinguish among the potential causes of abnormalities, and must be interpreted in light of the patient’s history, physical …
肺功能检查结果知多少？哪些指标最重要？ - 知乎专栏
正常人第1秒钟呼气量 (FEV1）占用力肺活量（FVC）比值大于80%， 一秒量指标比较稳定，重复性好，是非常可信赖的指标，反应肺通气功能异常的程度。 FEV1/FVC. 1秒率. 是FEV1 …
Diagnostic Accuracy of FEF - PubMed
2025年1月6日 · Background: Some studies have suggested that the forced expiratory flow between 25 and 75% of vital capacity (FEF 25-75) can be used as an early marker of …
FEF
2020年7月21日 · Purpose: The forced mid-expiratory flow (FEF 25-75%) value is a potentially sensitive marker of obstructive peripheral airflow. We aimed to assess whether FEF 25-75% …
Review of Pulmonary Function Testing in Patients With an Increase …
2011年10月23日 · Correlation with increased peak expiratory flow (PEF) and increased mid flow-ratio (FEF/FIF50) has been demonstrated with preliminary analysis. CLINICAL …