Spirometry quality in adults with very severe lung function impairment.

Abstract

BACKGROUND Some technologists worry that patients with very severe lung disease are unable to complete several spirometry maneuvers, which require considerable effort. METHODS We retrospectively selected all spirometry tests with an FEV1 < 35% predicted done by adult subjects sent to our pulmonary function laboratory during a 3-y period. We determined the… (More)
DOI: 10.4187/respcare.03457

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