Asthma and Airway Centre

Managing Asthma

How to Use Your Peak Flow Metre

1. Stand up or sit upright
2. Move arrow to zero on the scale
3. Hold peak flow meter with mouthpiece horizontal (avoid blocking arrow with fingers)
4. Take a deep breath
5. Close your lips around mouthpiece (no air leaks )
6. Blow as hard and quickly as possible without jerking head
7. Read number on scale
8. Repeat steps 1 - 7 two more times
9. Record the highest number of the 3 attempts. (It is important to do 3 attempts).

BRING YOUR RECORDINGS TO YOUR DOCTOR VISITS and discuss an action plan.
(Clean Peak Flow Metre at least once a month to prevent mould growth. Wash in mild detergent, rinse well, shake off excess water and leave overnight to air dry or follow instructions which comes with your metre).

More information on peak flow monitoring