UG Aid

Mnemonic:  COW TO MEN C - Young Children O - Only hearing ear W - Works in high construction,diving,air travels T - Tympanic membrane perforation O - Otitis externa M - Meniers disease E - Exostosis N - works in Noisy surroundings

Mnemonic : H e ARD better after stapes surgery H - hearing threshold 30 db or worse A - air - bone gap 15 db R - rinne negative for 256,512 Hz D - discrimination speech score 60%