Peak Flow Measurement - Johns Hopkins Medicine
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 …
Peak expiratory flow - Wikipedia
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 meter, a …
Estimated/Expected Peak Expiratory Flow (Peak Flow) - MDCalc
The Estimated/Expected Peak Expiratory Flow (Peak Flow) quantifies asthma exacerbation severity.
What Is a PEFR Test? - WebMD
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 document the amount of air …
Measuring Your Peak Flow Rate - American Lung Association
Oct 23, 2024 · What is a Peak Flow Meter? A peak flow meter is a portable, inexpensive, hand-held device that measures your ability to push air out of your lungs. Air flow is measured by the amount of …
Peak Flow Meter: How To Use, Measurement & Results
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 help you …
Peak Flow Meter Use and How to Measure Your 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 inhale.
Peak Expiratory Flow Rate: Purpose, Preparation, and Procedure
Aug 31, 2018 · The peak expiratory flow rate (PEFR) test measures how fast a person can exhale. The PEFR test is also called peak flow. This test is commonly performed at home with a handheld device …
Peak Expiratory Flow Rate (PEFR) Measurement - Geeky Medics
Mar 1, 2014 · A step-by-step guide to explaining and performing peak expiratory flow rate (PEFR) measurement, with an included video demonstration.
Peak Expiratory Flow Rate Measurement - Medscape
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 flow and...