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September 1958

A Simple Quantitative Caloric Test

Author Affiliations

Tucson, Ariz.
From the Veterans' Administration Hospital.

AMA Arch Otolaryngol. 1958;68(3):388-389. doi:10.1001/archotol.1958.00730020400016

In a recent article, Hitschler2 described a simple caloric test in which he used water at a constant temperature (36-37 F) for a definite period of time (5 seconds). He stated that the time during which the water is in contact with the eardrum is the important factor, not the amount of water, and that severe reactions are uncommon in this procedure.

For the past 10 years we have been employing at this hospital a form of caloric testing very similar to that just described, but which we believe also is quantitative and thereby will show slight changes during subsequent testing of the same patient. In 1949 streptomycin was introduced for the treatment of tuberculosis at this institution. In order to detect early evidence of toxicity as far as the eighth nerve was concerned, each patient, before treatment was started, received a pure-tone audiometric examination and a caloric test.

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