akustisk admittans — Engelska översättning - TechDico

acoustic admittance — Svenska översättning - TechDico

Tympanometric Width (TW): This is the pressure interval where a horizontal line intersects the tympanogram tracing at 50% of its peak height, measured in daPa. The above mentioned objective data (four) are interpreted using normative data. Tympanometry indices of static admittance, tympanometric width, and equivalent ear canal volume were normal bilaterally.Acoustic refl exes were present in the right ear and absent in the left with When nonautomated equipment is used, the recommended referral criteria is >250 da Pa tympanometric width for children 3–12 years of age and >275 da Pa tympanometric width for children below age 3. If the use of tympanometric width is not possible, <0.2 mmhos static compliance is recommended (AAA, 2011). Use defined tympanometry screening and referral criteria: a 250 daPa tympanometric width is the recommended criterion. If it is not possible to use tympanometric width then 0.2 mmhos static compliance can be used as the criterion. A final choice for failure criterion is negative Significant correlations between tympanometric width and MRI measures of effusion were documented, confirming the high predictive value of the tympanometric width for diagnosing the presence and quantity of middle ear effusion.

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Design: Nine tympanometric measures were examined in 68 normal ears and 14 ears with surgically confirmed otosclerosis. No subjects in either group had a history of head trauma or otoscopic evidence of eardrum abnormalities. Two parameters, static admittance and tympanometric width, were derived from standard low-frequency tympanometry and two 1999-11-01 · Significant correlations between tympanometric width and MRI measures of effusion were documented, confirming the high predictive value of the tympanometric width for diagnosing the presence and quantity of middle ear effusion. (Otolaryngol Head Neck Surg 1999;121:523-7.) Posts about Tympanometric width written by Callier Library. The goal of this study was to compare the performance of two middle ear analyzer systems on a range of tympanometric parameters, including both the standard 226 Hz and multi-frequency tympanometric measures. 53 normal hearing adults (26 females and 27 males) were tested with two commercially available middle-ear analyzer systems Tympanograms obtained successfully from healthy ears were analysed. At the time of the visit, mean static acoustical admittance (SAA) was 0.52 cm3, mean tympanometric peak pressure (TPP) was -48 TW stands for Tympanometric Width.

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1994-05-01 Tympanometric values in young Malay adults: preliminary data.---5 : 2008: Tympanometric characteristics of Chinese school-aged children.---6 : 2008: Tympanometry in rhesus monkeys: effects of aging and caloric restriction.---7 : 2006: Standard and multifrequency tympanometric norms for Caucasian and Chinese young adults. ECV, RF, SA, TPP: 8 : 2004 Membrane, Tympanometric Width, Tympanometric Peak Pressure, Equivalent Volume of the External Acoustic Meatus and the recommended protocol for tympanometry in lactating babies below age four months.14 METHOD This study was approved by the Research Ethics 20 in each decade of life from age 20 through age 79 and 16 older than 79 yr of age. Analyses were performed on two measures of resonant frequency of the middle ear, two measures of static admittance at 226 Hz, and tympanometric width at 226 Hz. Results: No systematic effect of age on any of these measures was evident in this population except for a small, but significant, correlation between Posts about Tympanometric width written by Callier Library. The goal of this study was to compare the performance of two middle ear analyzer systems on a range of tympanometric parameters, including both the standard 226 Hz and multi-frequency tympanometric measures.

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Normative values for peak, compensated static acoustic admittance (Peak Ytm), acoustic equivalent volume (Vea), and tympanometric width (TW) were determined for 102 young adults with normal Tympanometric Peak Pressure/Middle Ear Pressure Tympanometric peak pressure (TTP) or middle ear pressure (MEP) is the ear canal pressure at which the peak of the tympanogram occurs (Margolis & Hunter, 2000). Static Compliance Static compliance (SC) “is the greatest amount of acoustic energy absorbed by the middle ear system (the Tympanometric peak pressure. Tympanometric peak pressure, also known as middle ear pressure, is the ear canal pressure at which the peak of the tympanogram occurs [2]. Static compliance.

, 1995).
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【題組】29 請問圖中②所代表的是什麼？ (A) Ytm：acoustic admittance magnitude (B) Vea：acoustic equivalent volume (C) TPP：tympanometric peak pressure (  Figure 5 Tympanometric Width (TW)… that these children have tympanometry performed at the same intervals permitting, with otoscopy and tympanometry.

In a similar way, tympanometric width (TW)>235 daPa would have 95% specificity because 235 daPa is at the 95th percentile of normal ears (Roush et al. , 1995). However, when using data from normal ears to select a screening criterion, information on the distribution of test scores for abnormal ears is lacking, so no estimate of sensitivity can be made. tympanometric peak pressure, peak admittance at tympanic membrane, tympanometric width and -canal volume were recorded.
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6. What is tympanometry: Definition? Tympanometry is a technique used to look at the function of the middle ear. Tympanometric Width (TW): This is the pressure interval where a horizontal line intersects the tympanogram tracing at 50% of its peak height, measured in daPa. The above mentioned objective data (four) are interpreted using normative data.