Defining chronic obstructive pulmonary disease... and the elephant in the room.

Abstract

So what constitutes disease in COPD? Combinations of the forced expiratory volume in one second (FEV1), forced vital capacity (FVC) and the slow vital capacity (SVC) are used to help classify lung disease. What is normal? What reference equations does one use? Is the lower limit of normal (LLN) for the FEV1/FVC more accurate than the fixed ratio of 0.70… (More)

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Cite this paper

@article{Mannino2007DefiningCO, title={Defining chronic obstructive pulmonary disease... and the elephant in the room.}, author={David M Mannino}, journal={The European respiratory journal}, year={2007}, volume={30 2}, pages={189-90} }