Profound hearing loss
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Profound hearing loss is defined as a hearing threshold greater than 90 decibels (dB) — meaning that an individual with profound hearing loss can only hear sounds that are louder than 90 dB. A person with normal hearing can detect sounds between 0 dB and 20 dB.
For comparison with other levels of hearing loss, see Quantification of hearing loss.
External links
- "Profound Hearing Loss" from The Queensland Department of Education and the Arts
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
