A peak flow meter is a device that measures how well your lungs expel air. The device is a valuable tool for people with a respiratory condition like asthma or COPD, because it helps track the ...
Peak Flow Meter for Asthma: Everything You Need to Know: By Anjali Srivastava A peak flow meter is a handy, portable device that measures how fast air leaves the lungs. It plays a vital role in asthma ...
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