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July 1965


Arch Otolaryngol. 1965;82(1):87. doi:10.1001/archotol.1965.00760010089025

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Reply: If the questioner had described what he meant by "short range" it would be a bit easier to answer the question.

Assuming the "Drive-it Gun" was within a foot of his affected ear the chances of producing a hearing loss are high. Usually, however, these losses stabilize in approximately 6 to 12 months. The question of progression beyond this period is far from settled. Over such a long period one must rule out any one or more of a dozen causes of hearing loss—particularly further exposure to noise. It would be interesting to know what the opposite ear showed. If both ears are equal I would seriously doubt the hearing loss has any relation to the single "Drive-it Gun" shot. An important question relates to definite evidence that there was a difference in hearing immediately following the acoustic insult. If this were definitely known and it occurred in one

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