FEF
2020年11月12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% …
FEF25%-75% Linked to Emphysema and Disease Severity - COPD …
We examined the potential of the maximal mid-expiratory flow rate (forced expiratory flow rate between 25% and 75% [FEF 25%-75%]) as an additional tool for characterizing …
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 …
(PDF) Forced Expiratory Flow (FEF25-75%) as a Clinical Endpoint in ...
2020年5月12日 · Forced expiratory flow at 25-75% of the vital capacity (FEF25-75%) is a potentially more sensitive parameter for assessing peripheral airway function. This post...
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 …
Forced Expiratory Flow (FEF - Springer
2020年5月12日 · Forced expiratory flow at 25–75% of the vital capacity (FEF 25–75%) is a potentially more sensitive parameter for assessing peripheral airway function. This post hoc …
Forced Expiratory Flow - an overview | ScienceDirect Topics
The FEF 25%–75%, or forced expiratory flow between 25% and 75% of FVC, was introduced as the maximal midexpiratory flow rate (Fig. 25-5).
Diagnostic Accuracy of FEF - Springer
2025年1月6日 · Urbankowski T et al. found that the FEF 25-75 is related to the level of airway responsiveness to methacholine in patients with asthma-like symptoms and no airflow …
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 …
MEF, FEF, PEF – zkratky viz Přehled parametrů). Měřen je buď objem nebo průtok (objem za časovou jednotku). Měření objemu je vyjadřo váno na křivce objem/čas, měření průtoku je …