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Hearing loss affects about 10% of the U.S. population. Two broad categories of hearing loss exist, conductive and sensorineural. Conductive hearing loss results from any process that prevents sound from reaching the inner ear. Sensorineural hearing loss refers to nerve... Differential Diagnosis ... Workup and Diagnosis ... Treatment
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All patients with suspected hearing loss require formal audiologic testing to characterize the nature (conductive, sensorineural, mixed) and extent of the loss. Early treatment is essential, as is early habilitation for those in whom the hearing loss is not... Differential Diagnosis ... Workup and Diagnosis ... Treatment
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About one-third to one-half of congenital hearing loss is genetic, of which 15–30% may be syndromic. Universal newborn hearing screening programs allow diagnosis, and thereby habilitation, of deaf children at a much younger age, dramatically increasing the likelihood of... Differential Diagnosis ... Workup and Diagnosis ... Treatment
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... Affecting nearly 16 million Americans, hearing loss may be temporary or permanent and partial or complete. This common symptom may involve reception of low-, middle-, or high-frequency tones. If the hearing loss doesn’t affect speech frequencies, the... History and physical examination ... Medical causes ... Other causes ... Special considerations ... Pictures
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... Hearing loss results from a mechanical or nervous impediment to the transmission of sound waves. The major forms of hearing loss are classified as conductive loss (interrupted passage of sound from the external ear to the junction of the stapes and oval window), ... Causes and incidence ... Signs and symptoms ... Diagnosis ... Treatment ... Special considerations
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... Affecting nearly 16 million Americans, hearing loss may be temporary or permanent and partial or complete. This common symptom may involve reception of low-, middle-, or high-frequency tones. If the hearing loss doesn’t affect speech... History and physical examination ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Geriatric pointers ... Patient counseling ... Pictures
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... Mark Knudson
Approximately 28 million Americans have hearing loss. Among individuals aged more than 65 years, 7% to 8% report hearing loss, yet close to 20% will have evidence of hearing loss if screened (1).
Approach In the... History ... Physical examination ... Testing ... Diagnostic assessment
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... Differential Overview
Sensorineural
❑ Presbyacusis
❑ Noise-induced loss
❑ Drugs
❑ Ménière disease ... Diagnostic Approach ... Clinical Findings ... Pictures
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... Loss of hearing results from a mechanical or nervous impediment to the transmission of sound waves. Hearing loss is classified into three major forms:
❑ Conductive loss is the interrupted passage... Causes ... Signs and symptoms ... Diagnosis ... Treatment ... Special considerations
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... Affecting nearly 16 million Americans, hearing loss may be temporary or permanent and partial or complete. This common symptom may involve reception of low-, middle-, or high-frequency tones. If the hearing loss doesn’t affect speech frequencies,... History ... Physical assessment ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Geriatric pointers ... Patient counseling ... Pictures
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... Hearingis the perception and interpretation of sound. Because normal hearing is importantin development of language and social interaction, moderate-to-severehearing loss during first 3 yrs of life may seriously impair thisdevelopment... Principal Causes of Hearing Loss and Deafness ... Clinical Features and Diagnosis ... Diagnostic Approach ... Table 26.1. Indications of Possible Hearing Loss or Deafness ... References
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... Affecting nearly 16 million Americans, hearing loss may be temporary or permanent and partial or complete. This common symptom may involve reception of low-, middle-, or high-frequency tones. If the hearing loss doesn't affect speech frequencies, the patient may be... History and physical examination ... Medical causes ... Other causes ... Nursing considerations ... Patient teaching ... Pictures
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