What does a peak flow meter? The peak flow meter is a handheld device that measures air flow, or peak expiratory flow rate Determine the severity of asthma Monitor response to treatment during an acute episode of asthma Monitor the progress in the treatment of chronic asthma and provide information for changes in therapy Detect a deterioration of lung function and avoid possible severe asthma attack A peak flow meter can help expiratory you and your allergist / immunologist to assess the severity of their asthma at any given time. With a peak flow meter, you can often see a drop in the results even before their symptoms (such as coughing or wheezing) get worse. Decreases in peak flow may indicate that drugs need to be strengthened.
