His flow-volume loop had a normal configuration. ... The patient does have a moderate airflow limitation, as evidenced by a decreased ratio of FEV 1 to FVC and diminished FEV 1.

Exercise tidal flow met or exceeded the expiratory boundary of the maximal flow volume loop over 72% of the expiratory volume, ... (P = .002) and FVC percent predicted ...

Laryngoscopic images were compared with the corresponding pre- and post-exercise flow-volume loops assessed by four separate physicians and with data from the loops (forced inspiratory flow (FIF ...

A pulmonary function test showed a forced expiratory volume in the first second of expiration (FEV 1) of 17.5% of predicted, a forced vital capacity (FVC) of 75.7% and an FEV 1 /FVC ratio of 20.4% of ...

The flow–volume loop showed a low peak flow rate at the time the patient began experiencing dyspnoea (b) ... TBM presentation is similar to BO with respect to decreased FEV 1 /FVC%. 1, 2, 3, ...