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​Symptoms and Signs – Differential Diagnosis of  Deafness
Conductive
Eardrum: perforation, cholesteatoma (chronic otitis media)
Middle ear effusion (secondary to infection or malignancy)
Otosclerosis, ossicular abnormality
Wax in the canal

Sensorineural
Congenital: maternal rubella, eclampsia, perinatal hypoxia
Degenerative: presbyacusis
Genetic: e.g. Alpert syndrome, Waardenburg syndrome, DIDMOAD
Infection: measles, mumps, meningitis, syphilis (rare}
 Meniere's disease, Paget's disease of bone
Toxic: aminoglycosides, cytotoxic drugs, frusemide
Trauma: noise, head injury, surgery
Tumour: acoustic neuroma
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Kembara Xtra 

Facts about medicine and its subtopic such as anatomy, physiology, biochemistry, pharmacology, medicine, pediatrics, psychiatry, obstetrics and gynecology and surgery.