take when there are changes in your peak flow number.
No matter what your peak flow measures are, if you have signs
and symptoms such as chest tightness, shortness of breath,
coughing or wheezing you should follow your licensed health
care professional's advice for contacting him or her.
Instructions for using peak flow meter must be followed
carefully in order to get a correct measure of airflow.
If you are unable to obtain a reading, and your monitor is
working correctly, you should contact your physician
immediately.
2.2. Which PEF Values are Normal?
Note: Please contact your doctor for FEV1 standards.
Normal PEF Values for Males*
6