Micro - URTIs part 2

Question 1

sinusitis - types of bacteria

Answer 1

Strep pneumoniae
H. influenzae
Moraxella catarrhalis

Question 2

Sinusitis - clinical bacterial vs viral

Answer 2

Viral - lasts less that 10 days

Bacterial - nasal discharge, cough, high fever

Question 3

Otitis media - clinically ( diagnosis)

complication

Answer 3

ear pain, tympanic membrane erythema, hearing loss, fluid in middle ear

mastoiditis - necrosis of mastoid bone

Question 4

Otitis externa

acute localised vs acute diffuse vs nectrotising

Answer 4

acute localised - furuncle with hair follicle
staph aureus most likely

Acute diffuse - swimmers ear, pseudemonas aerignosa

Necrotising externa - severe pain, could spread to skull\
P. aerignosa

Question 5

pertussis
catarrhal stage
paroxymal stage

Answer 5

catarrnal stage =
signs of URTI,low grade fever, 1-2 weeks

Paroxymal stage = fits of coughing, post tussive vomiting

Question 6

pertussis - diagnosis

Answer 6

clinical symptoms
LABS - nasopharynx swabs - dacron or reyon
- PCR
- serology

Question 7

Epiglottitis

Bacterial causes
other causes

Answer 7

H. virus, H. inlfuenza, H. para influenza

surgery, hot water, blind finger sweep