Apr 29, 2024 · A peak flow meter is a simple, easy-to-use device that measures how fast you can exhale a lungful of air. It helps manage asthma and can even indicate when your asthma is …

Oct 23, 2024 · A peak flow meter is a portable, inexpensive, hand-held device used to measure how air flows from your lungs in one fast blast. In other words, the meter measures your ability …

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 …

Measure your peak flow at least once a day, usually in the morning before you take your asthma medicines. You might have to check it more often if you are having more episodes than usual, …

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 …

What is Peak Flow Testing? A peak flow test is a quick, simple breathing test that measures how fast you can blow air out of your lungs. It is often done using a peak flow meter, a handheld …

Find out how to test your peak flow, what your scores mean and how you can make the most of using peak flow to help you manage your asthma.

By measuring how fast you're able to breathe out, your peak flow score can indicate whether your airways are narrowed. This could be a sign that you have asthma, although other tests such …

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 …

Peak flow measurement is a quick test to measure air flowing in and out of the lungs.