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Each page on this chart holds 8 weeks of peak flow readings. For each day (e.g. Su for Sunday), there is a white column for your morning peak flow and a grey column for your evening peak flow. Each morning and evening, record the highest of three peak flows.
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.
Normal peak flow readings vary, depending on your age, size, and sex. The range of normal peak flow readings is published on a chart, and doctors and nurses refer to the chart when they check your peak flow reading. In healthy people, peak flow readings vary slightly from time to time.
The peak flow chart is available as a two-page document in PDF format for easy download and use. The first page includes easy-to-follow instructions for entering the peak flow measurements. Each page on this chart holds 8 weeks of peak flow readings.
Average Expected Peak Flow Readings. Patient Height (cm) Expected PEFR (litres/min) 110.
Use the chart below as a guide with your ASTHMA ACTION PLAN to help you monitor your peak flow and asthma.
Predicted normal peak flow (PEF) values for women and men aged 15–85 years. Follow the chart line closest to your height to find the estimated normal PEF reading for a person corresponding to your age, gender, and height.
