Exam 1 Infectious disease Flashcards
conditions needed to be infected
pathogen is present
there is enough of pathogen to cause disease
the pathogen passes through the correct entry site
a person is susceptible to pathogen
signs of infection
rash
joint swelling
fever
enlarged lymph nodes
altered mental state
inflammation
tachypnea
hypotension
upper respiratory signs
tachypnea, cough, dyspnea, sore throat, nasal drainage, sputum, oxoygen desaturation, decreased excercise tolerance
integ signs
purulent drainage, rash, redstreaks, bleeding from gums or into joints, joint effusion
cardiovascular signs
capillaries bursting, tachycardia, hypotension, change in heart rate
CNS signs
altered conscioousnes, confusion, headahce, memory loss, stiff neck
GI signs
nausea, vomitiing , diarrhea
GU tract signs
trouble urinating (dysurnia), flank pain, bloody urine ( hematuria), oliguria, urgency/frequency
viruses
subcellular made of RNA or DNA
dependent on host cells for replication
cannot be destroyed by pharmacologic means
Hep A
chronic liver disease
asymomtamatic
vaccine available
fecal-oral transmission
can survive for up to 4 hours on unwashed hands
Hep B
severe or fatal liver infection
flu like symptoms, jaundice
6 mo incubation period
greatest blood borne risk to healthcare workers
BSI and vaccine available
hep c
most common blood borne infection
also a liver disease
no vaccine
no treatment after exposure to prevent infection
Bacteria
single cell organisms with well defined walls
can grow independtly on artificial media
noscomial infection (bacterial)
pseudomonas aeruginosa
mycoplasmas
self replicating bacteria with no cell wall
responsible for walking pneuomonia
strict dependence on host for nutrition
