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The Weber test is administered by holding a vibrating tuning fork on top of the patient's head. The Weber test is a screening test for hearing performed with a tuning fork. [1] [2] It can detect unilateral (one-sided) conductive hearing loss (middle ear hearing loss) and unilateral sensorineural hearing loss (inner ear hearing loss). [3]
Thus, a "positive" result indicates the healthy state, in contrast to many other medical tests. Therefore, some prefer to avoid using the terms "positive" or "negative", and simply state if the test was normal or abnormal. For example: "Rinne's test was abnormal in the right ear, with bone conduction greater than air conduction".
For example, A S (a shallow tympanogram) will show a stiff middle ear system or A D (a deep tympanogram) consistent with ossicular discontinuity or a monomeric membrane. Only measures of static acoustic admittance, ear canal volume, and tympanometric width/gradient compared to sex, age, and race specific normative data can be used to somewhat ...
When asked, the individual will claim to hear it in the normal ear. Then, the tuning fork is brought as close as 8 cm near the feigned ear while maintaining the tuning fork at the normal side at the same distance. The individual will deny hearing anything if he/she is a malingerer. An individual with true hearing loss should continue to hear ...
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The Weber number is the dimensionless parameter that determines the onset of this phenomenon called the entrainment limit (Weber number greater than or equal to 1). In this case the Weber number is defined as the ratio of the momentum in the vapor layer divided by the surface tension force restraining the liquid, where the characteristic length ...
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