1. Hold AsthmaMentor™ by its handle when measuring your peak flow. Make sure the indicator is at the bottom of the scale, closest to the mouthpiece. If not, slide it down gently.


2. Stand up, if possible. Breathe in as deeply as you can. Place your mouth around the mouthpiece, so your lips form a tight seal.


3. Blow out as hard and fast as you can. This will move the indicator up the scale. The number beside its final position is your peak flow measurement.


4. Take three readings, and record the highest one - along with the date and time - in your Daily Record Chart.