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ent otorhinolaryngology procedure complications contraindications diathermy harmonic scalpel laser management of haemorrhage adenoidectomy-indication tonsillectomy-indications cryosurgery guillotine cottles line tilley litchwich trocar and cannula antral punture deviated nasal septum submucous resection septoplasty kashimas surgery medialization thyroplasty retropharyngeal abscess foreign body coin owens view schullers view caldwell view waters view contrast xrays xray nasopharynx xray soft tissue neck xray pns xray mastoid xrays in otorhinolaryngology ent radiology xrays in ent grisel syndrome methods littles area classification epistaxis narrow band imaging nbi oral cancer laryngeal pathology pharyngeal treatment of neck abcess pharynx abscess deep neck spaces neck space infection dnsi inner ear ear anatomy phonosurgery low vagal palsy vagus nerve reinnervation surgery vocal fold injection high vagal palsy superior laryngeal nerve palsy recurrent laryngeal nerve palsy causes of epistaxis cauterisation ligation methods hippocratic method trotters method posterior packing anterior packing woodruffs plexus keisselbachs plexus eustachian tube tensor tympani muscles diagram- medial aspect lateral wall of middle ear nasal septum quadrangular cartilage perpendicular plate ethmoid vomer and membranous part bony part diagram of nasal septum- cartilaginous part williams test audiology malingering paediatric aud hearing assessment ablb(alternate binaural loudnes treatment investigations indirect laryngoscopy examination chief complaints brain tumour mechanism principle contraindication disadvantages uses advantages ultrasound acoustic neuroma cavitron ultrasonic surgical aspirator cusa foreign body bronchoscopy forceps space tympanic cavity ossicles medial view bera/ abr- brainstem evoked response audiometry oae(otoacoustic emissions) pure tone audiometry(pta) sequelae features of tracheostomy tube types of tracheostomy tubes types of tracheostomy intubation decannulation permanent temporary low mid high tracheostomy indications tracheostomy xray nasal none internal ear diagram history case presentation- larynx distraction test free field audiometry play audiometry paediatric audiometry stengers test test for malingering sisi(short increment sensitivity index test) who classification of hearing loss cross hearing masking toynbee's test eustachian tube function test acoustic stapedial reflex tympanometry impedance audiometry