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Tympanocentesis is the drainage of fluid from the middle ear usually caused by otitis media, by using a small-gauge needle to puncture the tympanic membrane, also known as the eardrum. Main indication for tympanocentesis is failed treatment with antibiotics It is sometimes referred to as a "tap" and, when conducted twice as part of a clinical trial of medication, a "double tap."〔A study in which tympanocentesis is performed at study entry and during therapy. 〕 ==References== 〔 * http://www.webmd.com/a-to-z-guides/Tympanocentesis-for-ear-infections * http://www.fda.gov/ohrms/DOCKETS/ac/01/briefing/3802b1_02_FDA.pdf 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Tympanocentesis」の詳細全文を読む スポンサード リンク
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