Category: O

Predetermined goals for quality assurance and improvement.  

The protrusion of the acetabulum into the pelvic cavity. This condition may occur in association with severe osteoarthritis of the hip.    

Practice guidelines developed in Canada in 1992 to reduce the number of unnecessary ankle x-rays in emergency departments. The inability to walk four steps or the presence of point tenderness over the posterior half of the lateral malleolus or the base of the fifth metatarsal warrant radiographic examination.  

The division of otology that deals with the inner ear, especially its nerve supply, nerve connections with the brain, and auditory and labyrinthine pathways and centers within the brain.  

Relating to study of diseases of the ear.  

A screening test for deafness that assesses the functioning of the cochlea. It is used esp. in newborns as a quick way of identifying possible congenital hearing loss. The test is performed by placing a probe in the external ear canal. The probe emits a series of clicks and then measures the echoes returning from…

Inflammation of the ear caused by a parasite.  

Inflammation of the ear caused by a fungal infection.  

The presence of fluid in the middle ear without signs or symptoms of acute infection. This causes retraction of the eardrum. Upon examination, a level of air fluid may be seen through the tympanic membrane. The cause of the obstruction may be enlarged adenoid tissue in the pharynx, inflammation in the pharynx, tumors in the…

Inflammation of the middle ear, involving the mastoid spaces.