which bacteria cause gastroenteritis via contaminated food/water?
which bacteria cause gastroenteritis via person-to-person transmission?
which two organisms produce urease?
what does urease do?
P. mirabilis and H. pylori
converts urea to carbon dioxide/bicarbonate and ammonia
what enzyme on a dipstick of a urinalysis indicates a UTI?
which STD presents with very different symptoms for men and women? What are they?
Men: painful urination, pus from urethra
Women: often asymptomatic, pelvic inflammatory disease
3 characteristics of hemolytic-uremic syndrome
acute renal failure, thrombocytopenia, microangiopathic hemolytic anemia
sepsis + petichiae = which pathogen?
which bacteria is found in colder climates/ during colder months of the year?
describe the toxins from Pseudomonas aeruginosa
ExoT, ExoS, ExoY
Alters signaling pathways in host phagocytic cells
ExotoxinA (an A-B toxin)
chronic granulomatous disease pathogen
"thumb sign" on an xray is indicative of what?
prior carbapenem treatment can predispose someone to infection with ___
whooping cough caused by which organism?
how to diagnose Legionella?
urine antigen test
intracellular pathogens in human alveolar macrophages; prevent lysosome fusing with phagosome.
if recurrent infections with neisseria meningitidis, what do we suspect?
a complement deficiency
if otitis media in kids, think which organism
H. influenzae non-typeable (non-encapsulated)
for which pathogen do we see the highly pro-inflammatory LOS instead of LPS?
Neisseria (meningitidis and gonorrhoeae)
AND Haemophilus influenzae
don't treat H. influenzae with ____
otitis externa, consider which pathogens?
stenotrophomonas always always always resistant to ____
treat with what instead?
ceftriaxone a good choice for what diseases?
hospital acquired pneumonia
gonorrhea (+doxycycline for possible chlamydia)
brain abscessess (anaerobic)
what is Fitz-Hugh Curtis syndrome, and what is it caused by?
RUQ pain, abnormal liver function test, fever
caused by gonorrhea and chlamydia
what are the 3 things to remember with epiglottitis?
dysphagia, drooling, distress
what are the aerobic, non-fermenting gram (-) rods?
pseudomonas, burkholderia, stenotrophomonas, acinetobacter
what are the 4 fastidious, mucosal gram (-) rods?
bortadella, legionella, neisseria, haemophilus
ecthyma granulosum; what does it look like, what is it associated with?
rounded skin lesions with central necrosis
pseudomonas and others
treat pertussis with ____?
asplenia predisposes people to infections by what?
Lemierre's syndrome- where and which pathogen?
lateral pharyngeal space
fusobacterium; causes septic thrombosis of the IJV --> bactermia and septic pulmonary embolism