• Convenient and portable device
What is a Peak Flow Meter?
A peak flow meter is a device intended to measure how well your asthma is under control. The device measures air flowing out of the lungs as you blow into the device as fast as hard as possible. A peak flow meter can reveal narrowing of the airways well in advance of an asthma attack. Used mainly by persons with moderate to severe and persistent asthma, peak flow meters can help determine:
With asthma, sometimes you may feel your breathing is fine, but when you measure it with a peak flow meter, your lung function may be decreased. A peak flow meter can help you determine airway changes and better manage your asthma.
Asthma Care in Partnership with your Physician
Your doctor will take the time to educate you in Self-Management of your asthma. This will start upon diagnosis and continue with all members of the healthcare team. Your Action Plan will be tailored to your needs, but will include: basic facts about asthma, roles of medication; skills required for your inhaler, spacer and Peak Flow Meter, environmental control measures; when and how to take rescue actions.
You and Your Asthma
Most people with asthma need to monitor their asthma at least twice a day and to have a plan of action to keep it under control. This leaflet provides detailed information on your Peak Flow Meter and how the Self-Management Action Plan works.
Q. What is Peak Flow?
A Peak Flow is a measurement of how fast you can blow air out of your lungs. Your peak flow score will be higher when you are well, and lower when your airways get narrower. Peak flow scores are therefore a useful guide to the openness of your airways at any given moment and hence, the severity of your asthma. You should measure peak flow as soon as you wake up and in the evening before taking your bronchodilator, or as directed by your Doctor. Although how you feel and what you can do is important, peak flow scores show accurately how your breathing is changing. Modem asthma medicines aim to give you the best possible peak flow score, keeping you in the green zone. It is also important to aim for stable peak flow, i.e little difference between morning and evening scores and from day to day.
Q. Why do I need to measure my peak flow?
A. Many people over the ages of five will benefit from monitoring their asthma with a Peak Flow Meter, indicating when and how much to use their reliever medication. It will also help your doctor because peak flow scores make it easier to see how well your asthma is controlled and when treatment needs changing.
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