Results 161 to 170 of about 8,328 (213)
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The Journal of Laryngology & Otology, 1989
AbstractA postal questionnaire revealed the widest possible spectrum of opinion regarding tympanometry. The reasons are discussed.
P J, Stoney, J H, Rogers
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AbstractA postal questionnaire revealed the widest possible spectrum of opinion regarding tympanometry. The reasons are discussed.
P J, Stoney, J H, Rogers
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Ear and Hearing, 1984
The basic principles essential for interpreting two-component, multiple frequency tympanograms first are reviewed. These principles then are applied to an analysis of tympanometric shape (conductance, susceptance, and admittance tympanograms) as a function of probe frequency in subjects with normal middle ear transmission systems.
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The basic principles essential for interpreting two-component, multiple frequency tympanograms first are reviewed. These principles then are applied to an analysis of tympanometric shape (conductance, susceptance, and admittance tympanograms) as a function of probe frequency in subjects with normal middle ear transmission systems.
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Unlearning the ABCs of Tympanometry
Otolaryngology–Head and Neck Surgery, 2021Interpretation of tympanometry commonly relies on the historical convention of classifying findings according to large and arbitrary threshold shifts of tympanometric peak pressure (TPP). This convention had value for prior generations of otolaryngologists in diagnosing severe, chronic middle ear disease requiring surgical intervention but may not be ...
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International Journal of Audiology, 1983
The 'fistula test' is performed when an abnormal opening between the vestibule and the middle ear cavity is suspected. The fistula is usually seen after stapedectomy, but may also occur after trauma to a normal ear when the round window membrane may rupture.
J R, Causse, J B, Causse, J, Bel
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The 'fistula test' is performed when an abnormal opening between the vestibule and the middle ear cavity is suspected. The fistula is usually seen after stapedectomy, but may also occur after trauma to a normal ear when the round window membrane may rupture.
J R, Causse, J B, Causse, J, Bel
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Tympanometry in Normal Neonates
Journal of Speech, Language, and Hearing Research, 1979Acoustic conductance and susceptance tympanograms were obtained at 220 and 660 Hz in 34 neonates. The neonates were categorized into three age groups (8-24 hours, 24-60 hours, and 60-96 hours). Single-peaked, double-peaked, and monotoni-cally increasing tympanograms were found.
M Z, Himelfarb, G R, Popelka, E, Shanon
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Tympanometry and Acoustic Impedance
Acta Oto-Laryngologica, 1977In recordings of the acoustic impedance of the middle ear (tympanometry) the change in air pressure in the ear canal will mostly influence the capacitive component of the acoustic impedance. By choosing a probe tone frequency close to the resonance frequency of the middle ear, characteristic tympanometric patterns can be demonstrated in certain middle ...
G, Lidén +3 more
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Journal of Speech and Hearing Disorders, 1988
Black (N = 63) and White (N = 74) infants, ages 6-13 months, were screened by tympanometry for signs of middle ear dysfunction. More White infants (57%) than Black (33%) failed initial screening (p less than .01). Retest of initial failures after a minimum 6-week interval showed an overall reduction in failure rates, but the significant (p less than ...
D O, Robinson, D V, Allen, L P, Root
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Black (N = 63) and White (N = 74) infants, ages 6-13 months, were screened by tympanometry for signs of middle ear dysfunction. More White infants (57%) than Black (33%) failed initial screening (p less than .01). Retest of initial failures after a minimum 6-week interval showed an overall reduction in failure rates, but the significant (p less than ...
D O, Robinson, D V, Allen, L P, Root
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Pediatrics In Review, 1981
Tympanometry as a test of otologic status has the following attributes, uses, and advantages: (1) can be carried out simply, rapidly, and atraumatically, by appropriately trained nonprofessionals; (2) does not require, as does conventional audiometry, a sound-free environment; (3) is not influenced by the amount of cerumen ordinarily present in the ...
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Tympanometry as a test of otologic status has the following attributes, uses, and advantages: (1) can be carried out simply, rapidly, and atraumatically, by appropriately trained nonprofessionals; (2) does not require, as does conventional audiometry, a sound-free environment; (3) is not influenced by the amount of cerumen ordinarily present in the ...
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Tympanometry: Application and Interpretation
Annals of Otology, Rhinology & Laryngology, 1976The poor relationship between hearing loss and ear disease minimizes the effectiveness of audiometry as a technique for the identification of middle ear disorders. Tympanometry has been shown to be a highly sensitive technique for the identification of and differentiation between middle ear disorders. It is particularly useful in a pediatric population
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American Journal of Audiology, 1992
Multifrequency tympanometry has emerged as a clinically feasible test with the advent of computer-controlled systems that can store and analyze complex immittance components at multiple probe tone frequencies. The theoretical basis for understanding multifrequency tympanometry has existed for years, but the diagnostic utility of data obtained at ...
L L, Hunter, R H, Margolis
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Multifrequency tympanometry has emerged as a clinically feasible test with the advent of computer-controlled systems that can store and analyze complex immittance components at multiple probe tone frequencies. The theoretical basis for understanding multifrequency tympanometry has existed for years, but the diagnostic utility of data obtained at ...
L L, Hunter, R H, Margolis
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