- Go to slide 1 out of 7
- Go to slide 2 out of 7
- Go to slide 3 out of 7
- Go to slide 4 out of 7
- Go to slide 5 out of 7
- Go to slide 6 out of 7
- Go to slide 7 out of 7
Overview
Move the marker back to the bottom, and repeat these steps two more times. If you cough or make a mistake, do not include this as one of your three tries.
Record the highest of the three numbers in your peak flow diary.
Review Date 2/24/2022
Updated by: Neil K. Kaneshiro, MD, MHA, Clinical Professor of Pediatrics, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.