Pure Tune Audiometry

PURE TONE AUDIOMETRY 256 H2 512 42 1029 Hz 10 15 db 30 cl b 45 db (He cring ccess) (HC) * EAC block → 30db40dd TM perforation → 10-40cdb Maximum hearing loss → maximum perforation of when bath round & avail window is expored at sre same time már 40 de round is lor im perforation + corriculan discontinuity 40db oricular discontinuity 55 db (Mecause if there war TM Resforation, some sound would have mailled directly do the windans) complete FP fixedion ear is sensitivity is 20-20000HZ speech frequencies 1500, Ik, ak Pure gone audiometry (PTA) Indication of PTA syfer of recuing cas conductive., sensonund SN, Mized. Regree of rearing eers Frequency. Nomal Threshold for rearing Normal Hearing Icels preshald wsods. than 25 cle 90 d 6. profound reching ears is greater than 20 ASHA classification. Camerican speech & Hearing association) PT average Range in Degree of recuing ecess d BH 2 C -10 10 25 20 20 40 41 1055 5610 70 7110 90 291 Nomal Hearing sensi'sivity. mild rearing lors Levere Hearing Loors. Profound recuing coes 10 Indication for cochlear implant is secure" Hearing loss WHO calification 26-40 dB - mild 41-60dB Modrate. 61-80 dB Sevire our 80dB - Audiogram step 1 which ear? Right in Red ceft in blue. Masking while giving a sound of x H₂ from cone ricle of ear the other ecis also rears are sound ie Ex-50) H₂, лесами of ears of 50 Hz in air, thus if there is impairment of for eg right ear a sotte 60Hz scaund given to right ear is reand by the fations via his f left ear ie , thus giving false result, som 1042, while testing in Auctiogram we block the other ear complete, war is called as masking. Right in Reco aft in Blue me mark the other ear lly giving continucous sound of varicens frequencies, called white Noise. symbols Right aft Ain concluction (UM) Air concluction(M) Bone conduction (um) Bone conduction (M) For og of audiogram Rife Marrow Notes. steps in intepretation which ear?. Nomal/almomcel where, of AC & DC are gruen of same war, check if they are gaing sogethun, ahis rignifies defect in common pathway se sensoneural picothway & also the difficunce in the grafer lectullen AC & B C can be is do, also consiclerico alefecs m common pathway AB gaf = 15 db How much is the Hearing lou? → average of speech frequency clefect 1000 M2 4 2000 Hz. AB FAIR & Bone conduction is more than 15 db. then, there gap is invaluement of both common as well as conductive pathway. If in audiogram, there is no reference of Bone conduction, then we circume Bone conduction is normal Down loping audiogram sigh frequency rearing less indicatu eg. ototoxicity Naire Trauma Pres Bicosis in upsloping audiogram indicates low frequency hearing lass eg:- Meiner's curcan. In call there is a dif at 4000 M2, Te, B/C SNHL, also called accourti clip, sa first change in noire Induced Trauma, later all the high frequency is affected, then there is daum Masing audio gram AB FAIR & Bone conduction is more than 15 db. then, there gap is invaluement of both common as well as conductive pathway. If in audiogram, there is no reference of Bone conduction, then we circume Bone conduction is normal Down loping audiogram sigh frequency rearing less indicatu eg. ototoxicity Naire Trauma Pres Bicosis in upsloping audiogram indicates low frequency hearing lass eg:- Meiner's curcan. In call there is a dif at 4000 M2, Te, B/C SNHL, also called accourti clip, sa first change in noire Induced Trauma, later all the high frequency is affected, then there is daum Masing audio gramM - dif at 2000142 in Bone concluction, feature of caraschero while dragncorus corcosclerosis ree ban carharty naich & AB gapp. stefu for reaching PTA 1)which can - Rt, Lt, Both 2) 3) Abags AB gap allrent SNHC; JAB>15 de BCNSNHC only C11C Bccleffective ga CHCISNHC мере Flat * daum lupiing - High frequency Riing - cow frequmay * Naise watched U-shaped cocokibits (TROUGH thape) Beech peechingred frequency Mangala seen in congminat