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The Estimated/Expected Peak Expiratory Flow (Peak Flow) quantifies asthma exacerbation severity.
How Do I Chart My Peak Flow Rates? What Is a Normal Peak Flow Rate? When Should I Use My Peak Flow Meter? Determining a "Normal" Peak Flow Rate. Peak flow rates are commonly split into three zones. The colors of a traffic light – green, yellow, red – are used to represent the three zones.
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.
A chart called a ‘nomogram’ can be used to estimate your predicted peak flow if you are male or female, your age and height. It is important to remember that everyone is different and you should be guided by what is normal for you.
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 measurement is mostly done by people who have asthma or a long-term (chronic) lung disease.
This peak flow calculator allows you to calculate your normal peak expiratory flow (PEF), as well as your peak expiratory flow ratio (PEFR). The ratio is a relation between your measured PEF and the normal value, or, if you know it — your personal best.
A peak flow meter is a handheld device that measures how well air moves out of your lungs. During an asthma episode, your airways often narrow. A peak flow meter can measure this narrowing hours, even days, before you have any asthma symptoms.
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.
A peak flow meter is a handheld device you use to monitor your asthma at home. It measures how well air moves out of your lungs in 1 large breath. This is called your peak expiratory flow. 1. Your peak flow numbers tell you how well your asthma is controlled. The meter also can warn you about a possible asthma attack.
The highest of the 3 numbers is your peak flow number. Use this number to monitor your asthma and share with your healthcare provider. Proper inhalation technique is important when taking your asthma medicine(s) and monitoring your breathing.