Arteries of Kisselbach’s plexus [4]
GASS Greater palatine Anterior ethmoidal Superior labial Sphenopalatine*
Organism causing otitis externa
Pseudomonas
Causes of conductive hearing loss
Otitis media with effusion cholesteatoma impaction of ear wax Otosclerosis perforation of tympanic membrane
Causes of sensioneural hearing loss
Age/presbyacuis Sudden noise exposure Ototoxins eg. gentamicin Congenital Labrynthitis Meniere's disease
Organism causing otitis media
Haemophilus influenza
Thyroid cancer
Papillary most common - good prognosis