Abstract
The author has previously postulated that acoustic impedance measurements might be more satisfactory than conventional pure tone screening audiometry in detecting aural disorders in young schoolchildren. In this paper are reported the results of a comparative study of pure tone screening and a combined impedance/single frequency tone test. 543 children were examined by both methods. Agreement was reached (either pass or fail) in 81.5 % of the children. The major causes of disagreement were (1) fluid in the middle ear undetected by the hearing test, but obvious by tympanometry, and (2) ‘failure’ to respond to low frequency tones on the hearing test while indicating normal function by impedance testing and normal hearing to high tones. It is suggested that further investigation of this combined approach would be worthwhile.Forfatteren har tidligere hœvdet, at undersogelse af orets akustiske impedans ville vœre mere tilfredsstillende end almindelig screening-audiometri til afsloring af orelidelser has skolee...
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