Parasites Flashcards
bloating flatulence foul smelling fatty diarrhoea camper/hiker tumbling mobility
giardia lamblia
protozoa
from cysts in the water form human, beaver, muskrat faeces
diagnosis of giardia lamblia
trophozoites of cysts in faeces
treatment of giardia lamblia
metronidazole
bloody and pusy diarrhoea
liver abscess, like anchovy past
RUQ
inverted flask shaped ulcer in large intestine
entamoeba histolytica
protozoa
eating cyst on a fruit or veg washed in contaminated water
diagnosis of entamoeba histolytica
serolory and or
trophozoites with RBC in cytoplasm – can have up to four uclie in stool
treatment of entamoeba histolytica
metronidazole
iodoquinol for asymptomatic carriers of cysts
severe diarrhoea in AIDs patients
mild transient in immunocompents
cyprosporidium
oocytes in water
prevention of cryptosporidium
resistant to chlorine
must filter water
diagnosis of cryptosporidium
acid fast oocytes
treatment of cryptosporidium in immnocompetent
nitrazoxanide
neonate with chorioretinitis, hydrocephalus and intracranial calcifications
congenital toxoplasmosis
mom gets primary infection during pregos
pork
cat faeces
aids patient with brain abscess as ring enhancing lesions on ct/mri
toxoplasma gondii
diagnosis of toxoplasmosis
serology and biopsy – tochyzoite
treatmet of toxoplasmosis
sulfadiazine and pyrimethamine
prefrontal headache nausea high fever altered sense of smell swimming in warm fresh water
rapidly fatal meingoencephalitis
naefleria fowleri
protozoa
diagnosis of naugleria fowleri
amoebas in spinal fluid
treatment of naegleria fowleri
amphotericin B effective in a few survivors
enlarged lymph nodes recurring fever somnolence coma painful fly bite
African sleeping sickness
trypanosome brucei rhodiense/gambiense
tsetse fly
painful bite
trypanosome brucie - afrincan sleeping sicknesss
diagnosis of trypanosoma brucei
blood smear for trypanomastigotes
increased Ig in CSF
treatment of African sleepin sickness
suramin - blood
melarsoprol - cns penetration
schuffner stippling
seen in P vivax and P ovale
treatment of malaria
chloroquine for sensitive species (blocks p heme polymerase)
if resistant - mefloquine ro atovaquone/proguanil
life threatenint - iv quinidine or artesunate but test for g6pd deficiency
p vivax/ovale - add primaquine for hypnozoites and test for g6p deficiency
fever and hemolytic disease
NE USA
camping
babesia
increased in asplenia risk of
ixodes bite (lyme disease symptoms too)
diagnosis of babesiosis
blood smear with ring form or maltese cross or PCR
treatment of babesiosis
atovaquone and axithromycin
unilateral periorbital swelling/Romana sign
megacolon
megaoeseophagus
dilater cardiomyopathy with apical atrophy
painless bite
CHAGAS disease
trypancoma cruzi
reduviid bug
kisses <3
chagas disease
trypansoma cruzi
kissing bug, cone bug
painless
diagnosis of chagas disease
blood smear
from cats
from dogs
from opossums
from poverty housing
chagas disease - reduviid bug, kisses…..
treatment of chagas disease
benznidazole or nifurtimox
spikin fevers
hepatosplenomegaly
pancytopenia
sandfly bite
visceral leishmaniasis
leishmania donovani
protozoa
diagnosis of leischmania donovami
macrophages with amastigotes in bo, liver, spleen
treatment of leichmania donovani
amphotericin B, sodium stibogluconate