PeakFlow - Peak Expiratory Flow Measurement Device

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What is peak flow?

Peak flow is less than 50% of your personal best. To find the number ranges for your Asthma Action Plan zones, multiply your personal best peak flow by 1.0 (100%), 0.8 (80%), and 0.5 (50%). Record these ranges in your asthma diary so that you can refer to them easily.

What is a peak flow test?

Peak flow is a simple measurement of how quickly you can blow air out of your lungs. It's often used to help diagnose and monitor asthma. A peak flow test involves blowing as hard as you can into a small handheld device called a peak flow meter. These are available on prescription or can be bought from most pharmacies.

What is a peak flow meter?

Download a peak flow diary (PDF only, 1.06MB) from the Asthma + Lung UK website Your peak flow score – also known as your peak expiratory flow (PEF) – will be displayed on the side of your peak flow meter. This is given in litres of air breathed out per minute (l/min). What's considered a normal score depends on your age, height and sex.

What is a peak flow score?

Peak flow is a measure of how quickly you can blow air out of your lungs. If you have asthma, you may sometimes have narrow airways. This will make it more difficult to blow the air out of your lungs quickly and can change your peak flow score.

What Is PeakFlow

1. https://www.nhs.uk/conditions/peak-flow-test/
2. https://www.asthmaandlung.org.uk/symptoms-tests-treatments/tests/peak-flow
3. https://my.clevelandclinic.org/health/articles/4298-peak-flow-meter
4. https://www.hopkinsmedicine.org/health/treatment-tests-and-therapies/peak-flow-measurement
5. https://patient.info/chest-lungs/asthma-leaflet/asthma-peak-flow-meter
6. https://www.verywellhealth.com/what-should-my-normal-peak-flow-be-200890
7. https://www.ncbi.nlm.nih.gov/books/NBK459325/
8. https://www.lung.org/lung-health-diseases/lung-disease-lookup/asthma/treatment/devices/peak-flow
9. https://www.netdoctor.co.uk/conditions/allergy-and-asthma/a6109/asthma-8211-how-to-use-your-peak-flow-meter/

PeakFlow Information

1. https://mylungsmylife.org/topics/group-1/peak-flow/what-is-a-normal-peak-flow-2/
2. https://www.uhnm.nhs.uk/media/1307/160531-asthma-peak-flow-diary.pdf
3. https://www.uhs.nhs.uk/Media/UHS-website-2019/Patientinformation/Respiratory/How-to-perform-a-peak-cough-flow-test-at-home-3312-PIL.pdf
4. https://wheeze.dgt.nhs.uk/guides/peak-flow-test