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
Composition of the human body organisms. Composition of the human body Body composition may be analyzed in terms of molecular type e.g., water, protein, connective tissue, fats (or lipids), hydroxylapatite (in bones), carbohydrates (such as glycogen and glucose) and DNA. In terms of tissue type, the body may be analyzed into water, fat, muscle, bone, etc. In terms of cell type, the body contains hundreds of different types of cells, but notably, the largest "number" of cells contained in a human body (though not the largest mass of cells) are not human cells, but bacteria residing in the normal human gastrointestinal tract. Almost 99% of