Leptospira Flashcards

1
Q

Leptospira description eme (3)

A

Thin,
flexible,
tightly coiled spirals with one or both ends maybe bent to form a hook

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2
Q

Leptospira shape

A

Question mark

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3
Q

Leptospira motility

A

Axial filament

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4
Q

Leptospira Specimen (2)

A

○ Blood and CSF - 1st week/ Acute
○ Urine - 2nd week/ Chronic

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5
Q

Leptospira Screening test

A

MACROscopic agglutination test

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6
Q

Leptospira Gold Standard

A

MICROscopic agglutination test

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7
Q

Leptospira Titer

A

○ ≥ 1:100 - past infection
○ > 1:200 - current infection

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8
Q

Leptospira Diseases (5)

A

Swineherd,
Fort Bragg fever,
Pretibial fever,
Canicola fever,
Autumnal fever

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9
Q

Leptospira Culture (2)

A

○ Fletcher’s medium - for leptospira
■ rabbit serum
■ incubate for 30degC for 6 weeks
○ EJMH - Ellinghausen– McCullough–Johnson– Harris

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10
Q

Leptospira MOT

A

Direct contac

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11
Q

● Serovars
● Weil’s disease

A

L. interrogans var icterohaemorrhagiae

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12
Q

L. interrogans var icterohaemorrhagiae stages

A

○ Anicteric
○ Icteric leptospirosis

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13
Q

○ Anicteric (4)

A

■ self-related
■ mild flu
■ less severe
■ most common stage

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14
Q

Icteric leptospirosis (3)

A

■ weil’s disease
■ multiorgan failure
■ severe

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15
Q

L. interrogans var icterohaemorrhagiae Habitat

A

proximal tubules of kidneys

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16
Q

L. interrogans var icterohaemorrhagiae Incubation period

A

10-12 days