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The difficulty of making a satisfactory hearing test in the average office, with its attendant noises, is known to almost every otologist who owns an audiometer. In order to simplify the procedure and reduce the interference from offending noises, I have devised a simple technic that helps me secure a more accurate reading in less time than was formerly required.
First, the outer portion of the external canal of the ear to be tested last is packed tightly with cotton. The patient's head is then tilted to the side, and 5 or 6 minims (0.31 to 0.37 cc.) of glycerin is dropped into the canal on the cotton, thus making a very effective plug. More cotton may be used to absorb any excess of glycerin. Next, the patient is shown how to hold the receiver over the ear which is to be tested. He is then told that he will
SINGLETON JD. HEARING TESTS IN THE OFFICE: An Improved Technic. Arch Otolaryngol. 1941;33(6):1041. doi:10.1001/archotol.1941.00660031052014
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