What is a peak expiratory flow rate test? The peak expiratory flow rate (PEFR) test measures how fast a person can exhale. The PEFR test is also called peak flow. This test is commonly performed at ...

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 ...

A peak flow meter is an inexpensive, portable, handheld device for those with asthma that is used to measure how well air moves out of your lungs. Measuring your peak flow using this meter is an ...

Spirometry is essential for the diagnosis of chronic obstructive pulmonary disease (COPD). In patients with COPD the decline in lung function is usually so slow that spirometry is unlikely to provide ...

This is a panel study testing the relationship of daily repeated measures of health outcomes to air pollutant exposures. Health outcomes included asthma symptoms and peak expiratory flow rate (PEF) ...

A peak flow meter is a user-friendly, portable device that helps measure the ability of the lungs to expel air. It estimates peak expiratory flow rate which is a measure of how rapidly air can be ...

This is a preview. Log in through your library . Abstract The diurnal variation in peak expiratory flow rate (PEFR) was studied in 24 mixers and 24 non-mixers in three polyvinylchloride (PVC) ...