Traumatic perforation: concussion.The otoscopic view is that of a left ear of a patient 4 days after being struck on the ear with a cupped hand. This view demonstrates a 20% dry perforation per·fo·ra·tion n. 1. The act of perforating or the state of being perforated. 2. An abnormal opening in a hollow organ or viscus, as one made by rupture or injury. Perforation A hole. in the inferior portion of the pars tensa. The remainder of the ear is normal. The edges of the torn pars tensa can be seen folded under the medial surface of the tympanic membrane perforation tympanic membrane perforation Perforated, punctured, ruptured ear drum ENT A disruption of the tympanic membrane due to acoustic trauma, direct injury, barotrauma, introduction of Q-tips or small objects, or infection with fluid buildup in the middle ear. See Tympanoplasty. . There is no infection or blood clot blood clot n. A semisolid, gelatinous mass of coagulated blood that consists of red blood cells, white blood cells, and platelets in a fibrin network. . The patient complained of ringing; high-pitched tinnitus Tinnitus Definition Tinnitus is hearing ringing, buzzing, or other sounds without an external cause. Patients may experience tinnitus in one or both ears or in the head. , which subsided 1 day after the injury; and a persistent feeling of fullness in the ear. Management includes the performance of an audiometric au·di·om·e·ter n. An instrument for measuring hearing activity for pure tones of normally audible frequencies. Also called sonometer. au examination for pure tone and speech discrimination. Ninety percent of traumatic perforations of the tympanic membrane will heal spontaneously within 4 weeks. Myringoplasty can be performed in ears that fail to heal after that period, with a usual success rate of 95%. No surgery should be performed before 4 weeks. The patient should be instructed to keep water out of the ear and to return for treatment of any otorrhea. From Gap, France (Dr. Deguine), and the Pulec Ear Clinic, Los Angeles (Dr. Pulec). |
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