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An 82-year-old non-smoker man underwent evaluation for increasing dyspnoea. Clinical examination of the chest was normal but abdominal distension was noted. Pulmonary function test (PFT) revealed a significant increase in thoracic gas volume (TGV). Forced expiratory volume in 1 s (FEV1) and forced vital capacity (FVC) were reduced (table 1). Asthma was suspected on the basis of hyperinflation and …
Contributors Both authors managed the patient and wrote the manuscript. Both authors have approved the final version of the manuscript.
Competing interests None declared.
Provenance and peer review Not commissioned; externally peer reviewed.
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