Auricular: Of or pertaining to the outer ear, or to something else that is ear-shaped, such as the atrium of the heart.
Auscultate: To listen, for diagnostic purposes, to the sounds made by the internal organs of the body. For example, nurses and physicians auscultate the lungs and heart of a patient by using a stethoscope placed on the patient’s chest or back.
- Austin Flint murmur
Austin Flint murmur: A murmur due to aortic regurgitation, originating at the mitral valve when blood enters simultaneously from both the aorta and the left atrium. The murmur is named for Austin Flint who described it in 1862: “In some cases in which free aortic regurgitation exists, the left ventricle becoming filled before the auricles […]
Autism: A spectrum of neuropsychiatric disorders characterized by deficits in social interaction and communication, and unusual and repetitive behavior. Some, but not all, people with autism are non-verbal. Autism is normally diagnosed before age six and may be diagnosed in infancy in some cases. The degree of autism varies from mild to severe in different […]
- Autistic savant
Autistic savant: A person with autism who is exceptionally gifted in a specialized field. That field may, for example, be mathematics. The autistic savant may be able to do rapid, complex mental calculations. Or the field may be music. The autistic savant may be able to perform a entire piece of music after hearing it […]
Autoantibody: An antibody directed against the patient’s own body tissue.