The image of tympanic membranebubblesHorizontalline11
11 Horizontal line bubbles The image of tympanic membrane
2、hearingtest:tuningforktestsandaudiometryconductivedeafness,hearinglossis20-40dB。·impedanceaudiometry:flatthecurve(Btype) .12
12 2、hearing test： •tuning fork tests and audiometry ： conductive deafness，hearing loss is 20-40dB。 •impedance audiometry：flat the curve ( B type)
pretherapy1252500_ 500 1000 2000 4000 8000H220-200020204040606080801010011252505001000200040008000Hz13
13 125 250 500 1000 2000 4000 8000Hz 125 250 500 1000 2000 4000 8000Hz -20 0 20 40 60 80 10 0 -20 0 20 40 60 80 10 0 pretherapy
post-therapy1252505001000200040008000Hz20-200-20204040606080801010001252505001000200040008000Hz14
14 125 250 500 1000 2000 4000 8000Hz 125 250 500 1000 2000 4000 8000Hz -20 0 20 40 60 80 10 0 -20 0 20 40 60 80 10 0 post-therapy
impedanceaudiometryTYMP DIAGNOSTICTEST1TYMP DIAGNOSTICTEST3mlYtm226HzRmlYtm 226HzL1.51.511:5C0-400-200+200dapa0-400-200+200 dapa50dapaisBtypeCtype15
15 B type C type impedance audiometry