Emergency Care and Transportation of the Sick and Injured ...

COPD is defined as airflow obstruction with a reduction in the post-bronchodilator FEV1/FVC ratio to less than 0.7. Surprisingly, disability in COPD is often poorly reflected by the FEV1. If the FEV1 is ≥80% a diagnosis of COPD should only be made in the presence of respiratory symptoms (e.g. breathlessness, cough, reduced exercise tolerance ... ................
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