improvement in morning and evening PEF. Therefore, in patients with mild-to-moderate asthma, symptomatic on existing therapy, the salmeterol/FP combination is an effective alternative to ...

The comparison with salmeterol demonstrated similar improvements in morning PEF and similar or greater improvements in predose FEV 1; A mild improvement in the control of asthma symptoms and in ...

Nighttime asthma symptoms are also a typical sign of an asthma exacerbation. Peak expiratory flow (PEF) is assessed with a peak flow meter, which measures how well your lungs are functioning and ...

FEV 1, forced expiratory volume in 1 second; NC, _____; PEF, peak expiratory flow; PFT, NC, no change_ PFT, pulmonary function test_____.

If you use one during an asthma attack, you may get low peak expiratory flow (PEF) readings. Depending on how low the reading is, this can also be a sign you need to seek emergency care.