How To: Use a peak flow meter to monitor asthma

Use a peak flow meter to monitor asthma

A peak flow meter is a simple, hand-held device that measures how efficiently you can move air out of your lungs. Peak flow readings can warn you of an impending asthma attack hours — or even days — before you experience any signs or symptoms. With time on your side, you can adjust your asthma medication and take other steps to help prevent an attack.

Use a peak flow meter to monitor asthma

Use a peak flow meter to monitor asthma Click through to watch this video on mayoclinic.com

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