Conclusion: In patients with mild to severe persistent asthma, the beclomethasone HFA and beclomethasone CFC formulations were clinically equivalent, as judged by their effects on morning PEF and ...

Asthma is an airway inflammatory disease characterized ... Long-acting β 2-agonists; PEF: Peak expiratory flow; Pre-BD: Value measured prebronchodilator; PY: Pack-years; Raw: Airway resistance.

This device measures how much air you can push out of your lungs in one swift exhale. If you use one during an asthma attack, you may get low peak expiratory flow (PEF) readings. Depending on how low ...