What is a peak flow chart?
The most simple record of your peak flow can be made on any piece of paper which lists your morning and evening peak flow readings. Sometimes these are recorded by using graph paper which gives a clear picture of the changes in your peak flow readings from day to day (Figure). There are several different charts available, and your doctor will provide you with one when you start to measure your peak flow readings. You will probably be asked to measure your readings regularly morning and night. It is also sometimes useful to measure your readings after your reliever medication. You can also take your peak flow meter to work and to measure your readings when you are exposed to triggers which you suspect are causing your asthma symptoms. Your doctor may ask you to measure your peak flow after exercise to assess the severity of exercise-induced asthma and the effectiveness of your medication. How should your peak flow measurements be recorded? An accurate peak flow reading is dependent on a
