Flashcards in microbiology of ENT infections Deck (34):
what do you do to diagnose an infection in throat and phyranx?
take a throat swab
what is the most common cause of a sore throat?
most common bacterial cause of sore throat?
describe strep. pyogenes?
gram positive cocci in chains, B-haemolysis
what do you treat with if its a strep.pypgenes sore throat?
oral penicillin or clarthromycin if allergic
what are the acute complications of a bacterial sore throat?
what are the late complications of a bacterial sore throat?
what bug causes diphtheria?
what does the diphtheria organism produce?
an extotoxin which is cardiotoxic and neurotoxic
severe sore throat with grey white membrane of phyarnx?
how to treat diphtheria?
anti toxin and penicillin/erthrymycin
white patches on red raw mucous
how to treat oral thrush?
nystatin suspension topically
what is otitis media?
inflammation of middle ear
what commonly causes infections of middle ear?
often viral with secondary bacterial infection
80% resolve in 4 days without antibiotics
most common bacterial causes of middle ear infection?
what is acute sinusitis ?
inflammation of frontal/maxillary sinuses due to congestion
signs/symptoms for acute sinusitis
sever pain and tenderness
purulent nasal discharge -seocndarybacteria infection
if complicated sinusitis how do you treat it?
1st line- penicllin
2nd line- doxycyline(but not in children)
what is otitis externa?
inflammation of external ear canal
bacterial causes of otitis externa?
fungal causes of otitis externa?
if pseudomonas infection of outer ear how do you treat it?
if fungal infection of outer ear how do you treat it?
what virus causes infectious mononucleosis?
Epstein Barr viris (EBV)- in herpes family
enlarged lymph nodes
complications of infectious mononucleosis?
increased risk of lymphoma
upper airway obstruction
what causes cold sore?
herpes simplex virus
what is herpetic whitlow?
occupational hazard of dentistry and anaesthetics--wear gloves!!
what type of herpes simplex virus causes oral lesions?
vesicles/ulcers on soft palate?
what virus causes herpangia?
what causes hand foot and mouth disease