Myringotomy 1886. The vinyl tube used today was introduced by Beverley Armstrong in 1954. There are numerous indications for tympanostomy in the pediatric age group, the most frequent including chronic otitis media with effusion (OME) which is unresponsive to antibiotics, and recurrent otitis media. Adult indications differ somewhat and include Eustachian tube dysfunction with recurrent signs and symptoms, including fluctuating hearing loss, vertigo, tinnitus, and a severe retraction pocket in the tympanic membrane. Recurrent episodes of barotrauma, especially with flying, diving, or hyperbaric chamber treatment, may merit consideration. Myringotomy is usually performed as an outpatient procedure. General anesthesia is preferred in
Human body temperature Human body temperature Normal human body temperature, also known as normothermia or euthermia, is the typical temperature range found in humans. The normal human body temperature range is typically stated as . Individual body temperature depends upon the age, exertion, infection, sex, and reproductive status of the subject, the time of day, the place in the body at which the measurement is made, and the subject's state of consciousness (waking, sleeping or sedated), activity level, and emotional state. It is typically maintained within this range by thermoregulation. Taking a person's temperature is an initial part of a full clinical examination.