DUMS ENT Flashcards
3 formaina of the skull for ENT in order from top to bottom
IAM
jugular foramen
hypoglossal canal
where does the inner ear
oval window to IAM
what happens when hair cells are are deflected towards
depolarisation
what happens with a cleft palate
ET closed permamently - glue ear
what do outer hair cells do
mediate sound
what do inner hair cells do
recieve sound + send info
how are hair cells held in place
supporting cells
what does tonotopic organisation of cochlea mean
higher frequencies are recieved at start and lower frequencies travel further
what are otoconia
calcium carbonate crystals
gives the weight in gel membrane to allow sensory of linear motion
this is important in BPPV
what actually is nystagus
insertia of cupula in centre of ampulla
turning head left causes dragging of the cupula which causes increased firing rate on one side = brain is aware of acceleration
order of sinuses from top to bottom
frontal sinus
ethmoid sinus
maxillary sinus
what actually happens in OM and what are the symptoms?
complication of AOF with perforation of the ear drum + discharge coming from the ear
how to treat OME
topical aural toilet
topical ab
control of granulation tissue
what is a cholesteaoma
squamous epithelium instead of normal glandular columnar in middle ear
how does sense of smell work
cribiform plate of ethmoid bone projections of the olfactory bulbs which give us a sense of smell
what is the only part of the NS which can regenerate
olfactory bulbs
what causes a posterior nose bleed
sphenopalatine artery
what must you exclude in a nose injury
septal haematoma
what is the diagnosis + investigations for a nose injury
broken nose is a clinical diangosis
ENT app 5-7 days
triad of glandular fever
tonsilar enlargement
cervical lymphadenopahty
hepatosplenomegaly
