A peak flow meter is used to measure your peak expiratory flow rate (PEFR). PEFR describes how quickly your lungs expel air during a forceful exhalation after you fully inhale. Regularly conducting a ...

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By Anjali Srivastava A peak flow meter is a handy, portable device that measures how fast air leaves the lungs. It plays a ...

Please provide your email address to receive an email when new articles are posted on . Patients may have difficulty completing bronchodilator response testing. Patients with severe asthma may still ...