An infection model Flashcards
what does the infection model consist of
pathogen
————->infection———–>management————–>Outcome
patient
what factors must you consider for ‘patient’ part of infection model?
age gender physiological state (pregnant) pathological state (diabetes, immunosuppression) social factors(sexual partners, travel) calendar time relative time (how much time it takes to incubate a disease) place -current and recent
name some mechanisms of infection
contiguous (direct) spreads-skin to skin contact or mucous membrane to mucous membrane
inoculation -injected into tissue
haematogenous- spread through blood stream (eg if someone with a boil squeezes it)
ingestion
inhalation
vector
vertical transmission- mother to child(in utero or breastmilk)
what does ‘management’ consist of ?
history examination investigations treatment (specific & supportive ) infection prevention
examples of specific treatment
antimicrobials
surgery- drainage,debridgement (removal of dead,damaged?infected tissue to improve the healing process), dead space removal
examples of supportive treatment
symptom relief
physiological restoration
what does “outcome” consist of ?
ranges form cure to death.
may be chronic infection