Category: A

  • Austin flint murmur

    A presystolic or late diastolic heart murmur best heard at the apex of the heart. It is present in some cases of aortic insufficiency. It is thought to be due to the vibration of the mitral valve caused by the backward-flowing blood from the aorta meeting the blood flowing in from the left atrium.  

  • Aurotherapy

    Treatment of disease by administration of gold salts; used in the treatment of rheumatoid arthritis and autoimmune bullous disease, especially pemphigus vulgaris. The advisability of using gold in treating rheumatoid arthritis is controversial. The utilization of gold in the management of medical conditions.  

  • Auriculare

    A craniometric point at the center of the opening of the external auditory canal.  

  • Aurantiasis cutis

    Yellow pigmentation of skin due to ingestion of excessive amounts of food that contain carotene, such as carrots, oranges, and squash.  

  • Aural rehabilitation

    Any treatment used to improve the hearing or expressiveness of a hearing-impaired person.  

  • Aural acoustic immittance

    The electrical impedance plus the admittance of the ear to sound.  

  • Aural acoustic admittance

    The relative ease of passage of a sound wave through the ear and its components.  

  • Aufrecht’s sign

    Diminished breathing sound that is heard above the jugular fossa, which is indicative of tracheal stenosis.  

  • Auer bodies

    Rod-shaped structures, present in the cytoplasm of myeloblasts, myelocytes, and monoblasts, found in leukemia.  

  • Audit trail

    A software tracking notation system used for data security. An audit trail is attached to a computer file each time it is opened so that an operator can determine when a file has been accessed and by whom.