Category: O

  • Outreach

    Services provided for patients or the public in general, outside a hospital or clinic.  

  • Outpatient department

    A department of a hospital which deals with outpatients.  

  • Out-of-body experience

    An occasion when a person feels as though they have left their body and, often, travelled along a tunnel towards a bright light. The perception of being away from and overlooking oneself; the feeling that the mind has separated from the body. According to author H. J. Irwin, β€œan experience in which the center of…

  • Outlet

    An opening or channel through which something can go out. A vent or opening through which something can escape. A power-line termination that allows electric power to be obtained by plugging in a line cord. It is commonly referred to as a receptacle.  

  • Outcome

    What happens as the result of something. A measure of the result of an intervention or treatment, e.g. the mortality rate following different methods of surgery. A term used very loosely, particularly in evaluating patient care and the health care system and its components. When used for populations or the health care system, it typically…

  • Ototoxic

    Referring to a drug or an effect which is damaging to organs or nerves involved in hearing or balance. Harmful to the organs of hearing or balance or to the auditory nerve, as some drugs. Having a detrimental effect on the eighth nerve or the organs of hearing. Detrimental to the nerves responsible for regulating…

  • Otosporin

    A trade name for ear drops containing hydrocortisone, neomycin and polymyxin.  

  • Otospongiosis

    The formation of spongy bone in the labyrinth of the ear which occurs in otosclerosis. The growth of bony tissue within the labyrinth of the inner ear, which may cause significant hearing loss.  

  • Otorrhoea

    The discharge of pus from the ear.  

  • Otorrhagia

    Bleeding from the external ear. The release of blood from the ear canal.