Jun 15, 2025 · What Is a PEFR Test? A peak expiratory flow rate (PEFR) measures how effectively you exhale. Also called a peak flow meter, this handheld device helps you …

The peak expiratory flow (PEF), also called peak expiratory flow rate (PEFR) and peak flow measurement, [1] is a person's maximum speed of expiration, as measured with a peak flow …

Peak flow measurement is a quick test to measure air flow out of the lungs. The measurement is also called the peak expiratory flow rate (PEFR) or the peak expiratory flow (PEF). Peak flow …

This peak flow calculator determines the predicted maximum speed of expiration based on age, gender and height and compares it to the measured PEFR.

Dec 18, 2025 · A peak flow meter is used to measure your peak expiratory flow rate (PEFR). PEFR describes how quickly your lungs expel air during a forceful exhalation after you fully …

Jan 29, 2024 · Peak expiratory flow rate (PEFR) is the maximum flow rate generated during a forceful exhalation, starting from full lung inflation. Peak flow rate primarily reflects large airway …

Apr 29, 2024 · Use your peak flow meter at least once a day or as directed by a healthcare provider. A peak flow meter measures the top speed you can blow air out of your lungs. It can …

The Estimated/Expected Peak Expiratory Flow (Peak Flow) quantifies asthma exacerbation severity.

Aug 31, 2018 · What is a peak expiratory flow rate test? The peak expiratory flow rate (PEFR) test measures how fast a person can exhale. The PEFR test is also called peak flow.

Mar 1, 2014 · A step-by-step guide to explaining and performing peak expiratory flow rate (PEFR) measurement, with an included video demonstration.