The ability of a patient to blow out a match at a distance of 6 in. (15 cm.) was found to be a useful clinical test if conditions were duly standardized. This ability was tested in 126 patients and shown to be well correlated with the results of two other tests of respiratory function, namely, the tests for one-second vital capacity and maximum breathing capacity. The match test is feasible as a bedside procedure for detecting signs of airway obstruction. If it gives positive results, more specific tests for pulmonary function should be performed.
Snider TH, Stevens JP, Wilner FM, Lewis BM. SIMPLE BEDSIDE TEST OF RESPIRATORY FUNCTION. JAMA. 1959;170(14):1631–1632. doi:10.1001/jama.1959.03010140011004
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