Leptospira Flashcards
Leptospira description eme (3)
Thin,
flexible,
tightly coiled spirals with one or both ends maybe bent to form a hook
Leptospira shape
Question mark
Leptospira motility
Axial filament
Leptospira Specimen (2)
○ Blood and CSF - 1st week/ Acute
○ Urine - 2nd week/ Chronic
Leptospira Screening test
MACROscopic agglutination test
Leptospira Gold Standard
MICROscopic agglutination test
Leptospira Titer
○ ≥ 1:100 - past infection
○ > 1:200 - current infection
Leptospira Diseases (5)
Swineherd,
Fort Bragg fever,
Pretibial fever,
Canicola fever,
Autumnal fever
Leptospira Culture (2)
○ Fletcher’s medium - for leptospira
■ rabbit serum
■ incubate for 30degC for 6 weeks
○ EJMH - Ellinghausen– McCullough–Johnson– Harris
Leptospira MOT
Direct contac
● Serovars
● Weil’s disease
L. interrogans var icterohaemorrhagiae
L. interrogans var icterohaemorrhagiae stages
○ Anicteric
○ Icteric leptospirosis
○ Anicteric (4)
■ self-related
■ mild flu
■ less severe
■ most common stage
Icteric leptospirosis (3)
■ weil’s disease
■ multiorgan failure
■ severe
L. interrogans var icterohaemorrhagiae Habitat
proximal tubules of kidneys