What Does PEFR Stand For?

PEFR stands for Peak Expiratory Flow Rate Lung Function

PEFR, or Peak Expiratory Flow Rate, is a measure of the maximum speed at which a person can exhale air from their lungs. It is commonly used in clinical settings to assess lung function, particularly in patients with respiratory conditions such as asthma or chronic obstructive pulmonary disease (COPD). By monitoring PEFR, healthcare providers can evaluate the severity of airway obstruction, track changes in pulmonary function over time, and guide treatment decisions.