9.2 Nasal cavity Flashcards
epithelium of vestibule
stratified squamous epithelium, sweat glands and hair follicles
bones of floor of nasal cavity
maxilla, palatine bone
where do the superior and middle concha arise from?
they’re projections of ethmoid bone
management of septa haematoma
refer ENT. needs drainage and packaging to reappose cartilage to perichondrium and prevent reaccumulation of blood
management of nasal bone fracture
follow up in ENT outpatient after few days, check if swelling reduced and deformity present?
check for CSF leak/anosmia
red flags for nasal polyps
unilateral
bloody discharge
(cancer)
management of nasal polyps
intranasal steroids
maybe surgery
why can a post nasal drip cause cough?
secretions going back into pharynx and larynx
management of causes of rhinitis
-infective
-allergic
-painkiller, antipyretics, nasal decongestant
-antihistamines
why is maxillary sinus the most commonly infected?
opening is high up so hard for fluid to exit
what does the middle meatus drain?
frontal sinus, maxillary sinus, anterior ethmoid sinus
what does the inferior meatus drain?
nasolacrimal duct
what drains the sphenoid sinus?
roof
timescale of acute sinusitis
<4 week, but usually 10 days
what symptoms would raise suspicion of acute bacterial sinusitis?
-severe at onset
->10 days but no improvement
-worsen after initial improvement (secondary bacterial infection)
