bacterial infections of the lower respiratory tract Flashcards
what is the bacteria associated with strep throat ?
streptococcus pyogens
what toxin associated condition is occasionally seen at the time of or just following a strep pyogenes infection ?
scarlet fever
what aree the features of scarlet fever ?
desquamating rash
strawbeery tongue
what are the differential diagnosis of a strawbery tongue ?
scarlet fever
kawasaki vasculitis
what is the most common causative organism of epiglottitis ?
h.Influenza
what is the classic presentation of epiglottitis ?
drooling
inspiratory stridor
scar on shoulder where thee vaccine was denotes ?
scar of BCG vaccine
to protect against mycobacterium TB
what blue stain is used for mycobacterium ?
ziehl - neelsen
what other common staining technique is used to identify mycobacteria ?
auramine fluorescent stain
what medication causes red urine ?
rifampcin
what arre the complications of the TB drugs ?
isoniazid - peripheral neuropathy and hepatitis
ethambutol - visual disturbance
pyrazinamide - hepatotoxicity
what are the risk factors associated with hospital acquired pneumonia ?
length of time on ventilator
length of stay in the hospital
rise in gastric pH
nasogastric tube
extremes of age
chronic resp tract disease
what organisms can be identified with aerobic and anaerobic culture bottle and butterfly in CAP ?
Streptococcus pneumoniae
Haemophilus influenzae
Staphylococcus aureus
what diseases is strep pneumoniae associated with ?
Septicaemia
Meningitis
Acute otitis media
Community acquired pneumonia
what is the most common mean of diagnosing mycoplasma pneumonaie ?
serology testing
