PEDIATRICS Vol. 84 No. 2 August 1989, pp. 362-364
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Pediatricians and the Pneumatic Otoscope: Are We Playing It By Ear?

Robert M. Cavanaugh Jr MD1

1 The Department of Pediatrics, State University of New York Health Science Center at Syracuse

The amount of positive pressure delivered during pneumatic otoscopy was recorded in 53 healthy pediatric patients. The pressures generated ranged from 338 to 1134 mm H2O. The mean pressure introduced was 748 mm H2O with the bulb and 502 mm H2O through the mouthpiece. The mean intraobserver variation in pressure delivered to each patient was 199 and 125 mm H2O with these two methods of insufflation, respectively. These data document the wide variation in pressures generated with the pneumatic otoscope and suggest that the feasibility of modifying this instrument into a standardized, objective pneumatic system should be explored.

Key Words: pneumatic otoscopy • quantitative pneumatic otoscopy • middle ear disorder

Submitted on August 25, 1988
Accepted on January 9, 1989




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