What is a good peak flow reading for a teenager?
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What is a good peak flow reading for a teenager?
Average peak flow rate for healthy children and teenagers
| Height in inches | Average peak flow | Yellow Zone 50-80% of average peak flow |
|---|---|---|
| 47 | 200 | 100 – 160 |
| 48 | 214 | 107 – 171 |
| 49 | 227 | 114 – 182 |
| 50 | 240 | 120 – 192 |
What should a peak flow be for a 15 year old?
a child who is between 6 and 15 years of age and 4’7″ (140cm or 1.40m) tall, to have an average peak flow of 254 litres per minute.
Is 400 a good peak flow?
Peak expiratory flow (PEF) is measured in litres per minute. Normal adult peak flow scores range between around 400 and 700 litres per minute, although scores in older women can be lower and still be normal.
When should I worry about peak flow?
If your airways are tight and inflamed, your peak flow score will be lower than normal. This could be a sign your asthma is getting worse. See your GP if: you’re having symptoms, or need to use your reliever inhaler three or more times a week, even if your peak flow scores are normal.
What should a child’s peak flow meter reading be?
The peak flow meter should read zero or its lowest reading when your child is not using it. Take peak flow readings at least 2 to 4 times a day for 2 weeks. Your child’s healthcare provider will tell you if you need to measure peak flow for longer than 2 weeks.
Is a peak flow reading of 200 bad?
What is PEFR in asthma?
Peak flow measurement is a quick test to measure air flowing 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.
What age can a child use a peak flow meter?
Starting at about age 4 or 5 years, your child can learn how to use a peak flow meter.
How do I know if my peak flow is low?
You measure peak flow by blowing as hard and as fast as you can into a small hand-held device called a peak flow meter. Peak flow can pick up changes in your airways, sometimes before you have any symptoms. If your airways are tight and inflamed, your peak flow score will be lower than normal.