Microbiology Flashcards
infections of throat are most common in wht two age groups?
children
20-25yr olds
what is the most common cause of bacterial sore throat?
strep pyogens (group A strep)
how would you treat acute follicular tonsilitis?
penicillin
give two complications of bacterial sore throat?
rheumatic fever (3 weeks post sore throat)
glomerulonephritis
what would you suspect in a severe sore thraot with white patches over the back of the tongue/throat and tonsils?
diptheria
what are the kind of toxins produced by diptheria?
cardiotoxin
neurotoxin
how would you treat diptheria?
antitoxin
supportive
penicillin (erythromycin if allergic)
what is the casue of oral thrush?
candida albicans
how would you treat oral thrush?
nystatin
when should you give treatment in acute sinusitis?
deteriorating cases of >10days
what is used int he treatment of sinusitis?
1st line- penicillin
2nd line- doxycycline [not in children]
how does malignant otitis progress?
extenstion of otitis externa into bone surroundign ear canal → fatal without treatment [osteomyelitis will invade skull and meninges]
what are themost common bacterial causes of otitis externa?
s. aureus
pseudomonas aeruginosa
what could you use to treat bacterial OE?
gentamicin drops
what are some fungal causes of OE?
aspergillus nigers
candida albicans
how would you treat fungal OE?
suction of fungus
keep ear clean and dry
topical clotrimazole
if suspect of EBV and test is -ve what should you think?
think HPV?
herpes simplex type1/2 is acquired during school years?
type 1- vesicles that rupture becoming ulcers
describe primary gingivostomatis
fever, lymphadenopathy >3wks
how would you confirm herpes simplex?
PCR to confirm viral DNA
how would you treat herpes simplex type 1?
acliclovir
describe herpangina
vesivles/ulcers on soft palate
what is the cause of herpangina?
coxsackie virus
what is the bacterium responsible for primary syphillus?
treponema pallidum
