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Bacteriology I Final Review > Haemobartonella > Flashcards

Haemobartonella Flashcards

1
Q

Characteristics of Haemobartonella

A

Short rods or cocci
Epicellular organisms
Found on cell surfaces of erythrocytes

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2
Q

Mycoplasma haemofelis

A

Feline Infectious Anemia

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3
Q

Feline Infectious Anemia

A

Organisms are found on the surfaces of ery-throcytes or free in the plasma

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4
Q

Feline Infectious Anemia

Blood Smear

A

Rings, cocci, or rods

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5
Q

Feline Infectious Anemia

Transmission

A

Hematophagous arthropods, eg, fleas

Bite wounds and blood transfusion

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6
Q

Feline Infectious Anemia

Pathogenesis

A

Fluctuating packed cell volume
Regenerative anemia
Latency

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7
Q

Feline Infectious Anemia

Clinical Finding

A

Acute: Fever, anorexia, splenomegaly, hemolytic anemia, weight loss, and icterus
Chronic: Anemia, depression and weakness

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8
Q

Feline Infectious Anemia

Diagnosis

A

Clinical signs

Examination of blood and/or bone marrow smears

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9
Q

Feline Infectious Anemia

Treatment

A

Blood transfusion?

Doxycycline

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10
Q

Genus Mycoplasma (Eperythrozoon)

A

Organisms are found on erythrocytes and free in plasma

Coccoid, rings or rod-shaped

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11
Q

Mycoplasma(Eperythrozoon) suis

A

Icteroanemia in swine

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12
Q

Icteroanemia in swine

Transmission

A

Mechanical transmission by Hematopinus suis

Iatrogenic transmission

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13
Q

Icteroanemia in swine

Pathogenesis

A

Removal of infected erythrocytes results in anemia

Lifelong subclinical carrier state

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14
Q

Icteroanemia in swine

Clinical Findings

A

Fever, anemia, icterus, and general weakness

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15
Q

Icteronanemia

Diagnosis

A

Organisms in stained blood smear

Presence of lice

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16
Q

Icteronanemia

Serology

A

Detection of antibodies in serum

17
Q

Icteronanemia

Treatment

A

Tetracyclines in feed or water

18
Q

Anaplasma

A

The organisms form inclusions in erythrocytes or granulocytes
Demonstration of organisms
Stained blood smears

19
Q

Anaplasma marginale

A

Anaplasmosis
Cattle, deer, other ruminants
Transmission
Biological transmission by Boophilus spp., Dermacentor spp., etc
Mechanical stransmission by biting flies, eg, stable flies, mosquitoes, tabanids, etc
Iatrogenic transmission
Transplacental transmission

20
Q

Anaplasmosis

Pathogenesis

A

Organisms form microcolonies in RBCs
Removal of infected RBCs results in anemia and icterus
No hemoglobinuria

21
Q

Anaplasmosis

Clinical Findings

A

Calves < 6 months of age—resistant to disease but not infection
Anemia, intermittent fever, icterus, abortion, etc
Highly fatal if untreated

22
Q

Anaplasmosis

Diagnosis

A

Giemsa-stained blood smears

PCR

23
Q

Anaplasmosis

Serology

A

Detects carrier animals

Card agglutination test, ELISA, etc

24
Q

Anaplasmosis

Vaccination

A

Vaccine prevents disease but not infection

Bacteriology I Final Review (12 decks)

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