| Height in inches | Average peak flow | Yellow Zone 50-80% of average peak flow |
|---|---|---|
| 46 | 187 | 94 - 150 |
| 47 | 200 | 100 - 160 |
| 48 | 214 | 107 - 171 |
| 49 | 227 | 114 - 182 |
What is the peak flow value of a 27 year old male?
Her estimated peak flow value would be 467.4 L/min. ■ Or in the case of a male aged 27 with a height of 186 cm. His predicted peak flow value would be 639.948 L/min. But if he already has a measured peak flow of 568 L/min, the percentage is 88.76.
How can I estimate my peak flow?
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. Measuring your peak flow when you feel well will establish your normal or best peak flow. Tags: Peak Flow test.
How do I write my child's peak flow number?
Write the best (highest) of the 3 numbers in your child's peak flow diary every day, or as instructed by the doctor. What should my child's peak flow number be? Your child's number can be determined from predicted normal peak flow values for people of the same age and height.
What is the peak flow tool?
This is a quick health tool that determines the estimated or predicted peak flow based on your data. You need to select your gender and input your age and height. The former can be put in either metric (cm) or English (inches) measurement.
What should peak flow be for 18 year old?
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.
What should my child's peak flow be?
You want your child to be in the green zone every day. Your child is in the green zone if the peak flow is 80% to 100% of your child's personal best. To figure 80%, multiply the personal best by 0.80. For example, if the personal best flow is 400, multiplying by 0.80 gives you 320.
When should I worry about peak flow?
This is a medical emergency. You should get help right away. You may be coughing, very short of breath, wheezing while breathing in and out, or having retractions (the muscles between the ribs are working hard to help you breathe). You may also have trouble walking and talking.
What does a peak flow reading of 400 mean?
The taller a person is the higher their peak flow. The highest peak flow reading for an individual occurs between the age of 30-40 years. A reading of 400- 600 l/min is considered normal. An individual suffering with asthma would have a lower reading of 200-400 l/min.
What should your peak flow be if you have asthma?
Peak flow is 50% to 80% of your personal best. Red zone: Your asthma is severe. It requires emergency care. Peak flow is less than 50% of your personal best.
What is the peak flow for someone with asthma?
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 low range peak flow meter?
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.
What causes low peak flow?
Flow rate lessens when the airways are blocked. If you notice a significant fall in your peak flow speed, it may be caused by a flare-up in your lung disease. People with asthma may experience low peak flow rates before they develop breathing symptoms.
How does this peak flow calculator work?
This is a quick health tool that determines the estimated or predicted peak flow based on your data.
Can you input peak flow?
If you already have a peak flow determination you can input that as well to get an extra info in the result.
What is peak flow?
Peak flow is how much air you breathe out when you try your hardest. You measure peak flow with a peak flow meter, an inexpensive device that you can use at home, if your doctor has recommended this device as part of your Asthma Action Plan.
How do you use peak flow to manage asthma?
Your peak flow can help you find out what zone you are in. You do this by comparing your current peak flow to your personal best peak flow.
