179 Leptospirosis Flashcards
1
Q
Weil’s syndrome
A
Severe leptospirosis characterized by jaundice, renal dysfunction, and hemorrhagic diathesis
2
Q
Appearance of leptospires
A
Coiled, thin, highly motile organisms that have hooked ends and two periplasmic flagella, with polar extrusions from the cytoplasmic membrane that are responsible for motility
3
Q
Microscopic imaging
A
Dark-field examination
Silver impregnation staining of tissues
4
Q
Time it takes for culture to become positive
A
It may take weeks to months
5
Q
Most important reservoir of leptospirosis
A
Rodents, especially rats
6
Q
Important vehicle in transmission
A
Water
7
Q
Vast majority of infections cause
a. no or only mild disease in humans
b. severe disease in 90% of cases
A
a. no or only mild disease in humans
