Hearing Loss
- Apr- 2020 -7 April
MIDDLE EAR IMPLANTS
PrinciplesVibrate ossicular chain by electromagnetic or piezoelectric means.-direct transmission of mechanical energy of amplified sound vibrations to ossicular chain.-MEI is coupled to ossicular chain or OW, eliminating acoustic coupling via EAC.Mechanisms of action of different assistive hearingdevices MIDDLE EAR IMPLANTConversion of electric to mechanical energy by 2 mechanisms– Electromagnetic (em):…
Read More » - Mar- 2020 -23 March
Cholesteatoma – Long case ENT OSCE
Cholesteatoma: Cystlike, “epidermal inclusion cysts” expansile lesions of the temporal bone lined by stratified squamous epithelium “ matrix” that contain desquamated keratin.Presence of keratinising squamous epitheliumin in the middle ear or mastoid (Skin in the wrong place) . Cholesteatoma is known to contain all the layers of skin epithelium. The…
Read More » - 22 March
Ear DNB ENT Questions – 2010-2019
EAR DNB ENT QUESTIONS – 2010-20191 – a) What are inner ear fluids and their biochemical composition? b) Regulatory mechanism of inner ear fluids. (2+4+4) June 20152 – a) Hidden areas of middle ear. b) Give their diagrammatic representation and surgical importance. (4+4+2) June 20153 – Vibrant Sound Bridge: its…
Read More » - Feb- 2020 -16 February
Non-Genetic Hearing Loss – Theory Question
Define “Non Organic Hearing Loss”. Discuss in brief the various audiological tests for the diagnosis of non-organic hearing loss. (1+9) Dec 2013 INFECTIONS1Congenital CMV Infection2CMV affects ~1% of live newbornsOnly 10% exhibit signs of CMV inclusion disease: Mental retardation Severe to profound hearing loss Ocular problems (eg. chorioretinitis with optic…
Read More » - Jan- 2020 -19 January
Cogan’s syndrome – DNB OSCE / VIVA/ DNB ent Theory
Dr. David Cogan.Cogan’s syndrome (CS) is defined as nonsyphilitic interstitial keratitis (an inflammation of the eye) and bilateral audiovestibular deficits (hearing problems and dizziness). It was first described in Morgan and Baumgartner in 1934, and Cogan reported 5 more cases in 1945. Dr. David Cogan was a prolific writer and his…
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