Descriptions: Standard body position of the ear, push/pull lesion to select the lesion. Totally twelve kind of normal or diseased air drums: Acute otitis media Acute otitis media without obvious sign Abnormal secretion of middle ear Tympanosclerosis Myringotomy Ear wax(a little big) Acute media ear infection Otitis Media (case 1) Otitis Media (case 2) Effusion of posterior ear drum Perforation of ear drum
