Intro to Infectious Disease Flashcards
no fever = no infection?
not necessarily
10 principles of Infectious Disease: true rigours means?
serious illness until proven otherwise = admit them
clinical signs and different age groups?
much variation:
infants: excessively prominent
adolescents: signs confusing
adults: affected by comorbidities
elderly: signs blunted
fevers change throughout day?
Yes. Diurinal
worse at night
what does ‘know thine enemy’ mean in 10 principles of Infectious Disease?
appropriate cultures before starting empirical
bacteraemia from staph aureus can lead to?
endocarditis, osteomyelitis
when else besides bacteraemia is staph aureus infection serious?
in urine
2 reasons why patient isn’t getting better on antibiotics?
undrained focus
may not be bacterial
usually need 2nd course of Abx?
rarely
febrile traveller from an endemic region must be cleared of?
malaria
what is most common bacterial infection in immunocompromised? how does it look on CXR?
pneumocystis: ground glass
3 tier approach to Infectious Disease?
- problem solving of clinical syndrome
- management of infection of various organ systems
- specific infection/pathogens
important question for Infectious Disease history?
when were you last well?
what causes rapid and severe onset of fever and rigors usually?
Strep A
what bacteria usually cause +++myalgia?
coccals
what kind of bugs if you have myeloma?
encapsulated
what kind of bugs if you have lymphocyte dysfunction?
intracellular or slow growing pathogens
2 big predisposing events for infection?
Recent Sx or trauma
new medications
if person is in rural areas you should consider what infections?
zoonotic
example of diseases that could mask signs of severity in infection?
diabetes
corticosteroid use
what is ceftriaxone?
3rd gen cephalosporins for most gram negs
what is cephalexin/cephalothin/cefazolin?
1st gen cephalosporins: for most gram +ve
name a carbapenem?
meropenem
what class are norfloxacin, ciprofloxacin, moxifloxacin part of? used for what?
quinolones: for Gram -ve
name 3 macrolides:
roxythromycin
clarithromycin
azithromycin
treat legionella with?
azithromycin
name 2 glycopeptide antibiotics?
vancomycin
teicoplanin
what kind of drug is trimethpim?
sulphonamide
name a tetracycline
doxycycline
what 2 bugs usually causes rheumatic fever?
strep viridans strep pyogenes (group A,B-haemolytic strep)
what bacteria from raw ground beef usually?
campylobacter
what bugs into foot ulcers usually?
pseudomonas
