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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 getting worse before you have symptoms. Use your peak flow meter at least once a day or as directed by a healthcare provider.
6 Οκτ 2024 · Peak expiratory flow (PEF), a key indicator of lung function, offers clinicians valuable insights into asthma management. Typically measured with a peak flow meter, PEF provides an objective measure of airflow limitation, aiding in assessing asthma control and managing exacerbations (see Image. Peak Flow Meter).[1] A maximal effort is required when using a peak flow meter to obtain valid ...
A peak flow meter (PFM) is a portable, hand-held device that measures your Peak Expiratory Flow Rate (PEFR) or how air flows from your lungs in a “fast blast.” It tells you how open your airways are.
Average Expected Peak Flow Readings. Patient Height (cm) Expected PEFR (litres/min) 110. 150. 120. 200. 130. 250.
23 Οκτ 2024 · Peak flow meters come in two ranges to measure the air pushed out of your lungs. A low range peak flow meter is for small children, and a standard range peak flow meter is for older children, teenagers, and adults. An adult has much larger airways than a child and needs the larger range.
Your GP or asthma nurse might have recommended using a peak flow meter and recording your scores in a peak flow diary. Here we explain how it can be helpful and how to do it. Peak flow is just one of a number of ways you can keep an eye on how well you are. Your symptoms and how you feel will always be important, too.
The peak flow number and your symptoms are used as a guide to help you manage your asthma. Why is it necessary? By using a peak flow meter you can: ! see how well your medicines are working; ! figure out when to use more or less medicine; ! find out what makes your asthma symptoms worse; and ! often tell if an attack is coming before you notice ...
