infectious diseases Flashcards
feature of pneumocystitis jiroveci
desaturation on exertion
chest xray normal
diagnostic test for genital herpes
NAAT swab
tx of lyme disease
if tick attached for <24hrs and asymptomatic = monitor
doxycycline if early disease (amox if preg)
ceftriaxone if disseminated
tetanus management
full vaccines, completed <10 years ago - nothing needed
full vaccines >10 years ago: booster, if high risk then booster + tetanous immunoglobulin
if unknown vaccines hx:
booster (+immunoglobulin if high risk)
what is a high risk tetanus injury?
contamination with soil/manure
wounds that show devitalised tissue
wounds that need surgical attention
post exposure prophylaxis for hep A
HNIG or hep A vaccine
hep B prophylaxis
HBV vaccine booster dose
if they dont respond well then give HBIG
hep C post exposure prophylaxis
monthly PCR
HIV post exposure prophylaxis
antiretrovirals commence within 72hours of incident
take for 4 weeks
test at 12 weeks after PEP finishes
expected decline of RPR for aquedate response to syphillis tx
fourfold decline
when to start prophylactic co-trimazole
when CD4 count is less than 200
blood film for infectious mono
atypical lymphocytes
blood tests for parvovirus that indicate immunity?
igG +, IgM neg
blood tests for parvovirus that indicate recent infection?
igG neg
igM positive
infection in last 4 weeks, if preg refer to fetal medicine
culture grows bacteria from pt catheter but they have no symptoms, how do you manage
no abx for asymptomatic2
if pt has had 5 doses of tetanus with last dose <10 years ago what is the tx
wound care only regardless of how severe wound is
which strain of HSV is more commonly associated with oral ulcers vs genital ulcers
hsv1 = oral
hsv 2 = genital