Giardia lamblia, intestinalis, duodenale Flashcards
1
Q
host
A
beavers, dogs, humans
2
Q
transmission
A
environment (food or water) - only in cyst stage
immunosuppressed at risk
3
Q
lifecycle
A
trophozoite shed in diarrhea - not infective
cyst shed in normal stool - infective
4
Q
diagnosis
A
symptoms, stool microscopy (may be false neg), treat, ELISA, immunofluroescence (expensive)
5
Q
Symptoms
A
pale loose stools, 3-8x/day, abdominal distension, flatulence, abdom pain, weight loss, sulphorous belching, can be followed by malabsorption syndrome (children)
6
Q
treatment
A
metronidizole (flagyl), tinidazole (tindamax)