Spirometry

Spirometry

Subjects stand, take a maximal breath in with nose clip and expire fully for at least 10 seconds, otherwise following ATS recommendations (1). Comparisons are made to a Michigan unexposed population (2).

Reference Notes:

1. ATS Statement. Standardization of spirometry--1987 update. Am Rev Respir Dis 1987;136:1285-1298.
2. Miller A, Thornton JC, Warshaw R, Bernstein J, Selikoff J, Teirstein AS. Mean and instantaneous expiratory flows, FVC, and FEV1: Prediction equations from a probability sample of Michigan, a large industrial state. Bull Eur Physiopathol Resp 1986;22:589-597.