Knowledge Check

What is babesia?

a

Bacteria

b

Virus

c

Parasite

d

Fungus

True of false: the incidence of babesiosis has been declining over the past several years.

a

True

b

False

Which of the following are causes of concomitant thrombocytopenia and anemia:

a

Evans syndrome

b

Valve hemolysis

These patients develop anemia, not thrombocytopenia.

c

Pernicious anemia

d

Hypothyroidism

e

Thrombotic microangiopathy (e.g., TTP)

Which is the preferred method for diagnosing babesiosis:

a

PCR

b

Thin smear

c

Thick smear

d

Blood culture

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Name 3 splenic complications of babesiosis

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Splenomegaly
Splenic rupture
Splenic infarction

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What white blood cell abnormality is common in babesiosis?

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Lymphopenia

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What are indications for red cell exchange in babesiosis?

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Heavy parasitemia (typically >10%)
Those with significant comorbidities such as significant hemolysis, DIC, pulmonary, renal, or hepatic compromise

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