Protozoa--others Flashcards
1
Q
Trypanosoma cruzi–disease
A
- visceral infection
- Chagas disease
- dilated cardiomyopathy with apical atrophy
- megacolon
- megaesophagus
- predominantly in South America
- unilateral periorbital swelling (Romana sign) characteristic of acute phase
2
Q
Trypanosoma cruzi–transmission
A
- reduviid bug (“kissing bug”) feces
- deposited in painless bite (much like a kiss)
3
Q
Trypanosoma cruzii–diagnosis
A
- Trypomastigote in blood smear
4
Q
Trypanosoma cruzi–treatment
A
-
Benznidazole of nifurtimox
- ”Cruzing in my Benz, with a fur coat on”
5
Q
Leishmania donovani–disease
A
- visceral infections
- Visceral Leishmaniasis (Kala-azar)
- spiking fevers
- hepatosplenomegaly
- pancytopenia
- Cutaneous leishmaniasis
- skin ulcers
6
Q
Leishmania donovani–transmission
A
- sandfly
7
Q
Leishmania donovani–diagnosis
A
- macrophages containing amastigotes
8
Q
Leishmania donovani–treatment
A
- amphotericin B
- sodium stiboglutamate
9
Q
Trichomonas vaginalis–disease
A
- sexually transmitted infections
- Vaginitis
- foul smelling, greenish discharge
- itching and burning
- do not confuse with Gardnerella vaginalis–gram variable bacterium assoc with bacterial vaginosis
10
Q
Trichomonas vaginalis–transmission
A
- sexual–cannot exist outside human b/c it cannot form cysts
11
Q
Trichomonas vaginalis–diagnosis
A
- trophozoites (motile) on wet mount
- “strawberry cervix”
12
Q
Trichomonas vaginalis–treatment
A
- metronidazole for patient and partner (prophylaxis)
