When spirometry is unavailable, physicians can use the St. George’s Respiratory Questionnaire score plus peak expiratory flow ...

A peak flow meter is a simple handheld device ... Your plan might include the following steps: Use your emergency inhaler as prescribed. Take a peak flow reading if you can.

The flow meter DATOSPIR PEAK-10 measures the intensity of flow of air passing through the airways when exhalation is performed as rapidly and intensively as possible.