Mindblown: a blog about philosophy.
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Auditory acuity
The clarity or clearness of hearing, a measure of how well a person hears. Auditory acuity is measured in order to determine a person’s need for a hearing aid.
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Audiometry
The measurement of hearing.
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Audiology
The study of hearing.
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Audiologist
A health care professional who is trained to evaluate hearing loss and related disorders, including balance (vestibular) disorders and tinnitus (ringing in the ears) and to rehabilitate individuals with hearing loss and related disorders. An audiologist uses a variety of tests and procedures to assess hearing and balance function and to fit and dispense hearing aids and other assistive devices for hearing.
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Audiogram
A test of hearing at a range of sound frequencies.
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Atypical Teratoid Rhabdoid Tumor (ATRT)
Atypical teratoid rhabdoid tumor (ATRT) is a very rare, fast-growing central nervous system (brain or spinal cord) tumor. Most ATRTs are linked to changes in a gene known as SMARCB1 (also called INI1). Symptoms and signs depend on the exact location of the tumor within the brain and can include morning headaches, vomiting, problems with balance and coordination, and increased…
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Atypical measles syndrome (AMS)
An altered expression of measles, AMS begins suddenly with high fever, headache, cough, and abdominal pain. The rash may appear 1 to 2 days later, often beginning on the limbs. Swelling (edema) of the hands and feet may occur. Pneumonia is common and may persist for 3 months or more. AMS occurs in persons who were incompletely immunized against measle. This may happen if a person…
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Atypical
Unusual, or not fitting a single diagnostic category.
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Attenuated virus
A weakened, less vigorous virus. An attenuated virus may be used to make a vaccine that is capable of stimulating an immune response and creating immunity, but not of causing illness.
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Attenuated FAP
Attenuated familial adenomatous polyposis. Familial adenomatous polyposis (FAP) is an inherited disorder characterized by cancer of the large intestine (colon) and rectum. People with the classic type of familial adenomatous polyposis may begin to develop multiple noncancerous (benign) growths (polyps) in the colon as early as their teenage years. Unless the colon is removed, these polyps will become malignant (cancerous). The average age at…
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