IM HemOnc - Rd 2 Flashcards

1
Q

What is the Gold standard test to diagnose HIT?

A

Serotonin release assay

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3
Q

Empiric anticoagulation should only be started in what setting of a blood clot?

A

PE

NOT a DVT w/no symptoms of PE

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4
Q

Lupus anticoagulant (anti-phospholipid Ab) presents w/what lab abnormality?

A

Prolonged PTT

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5
Q

Treatment for TTP?

A

Plasma exchange

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6
Q

Middle-aged Pt that has hemolysis, cytopenias, and hypercoaguable state (portal vein thrombosis) has what?

A

PNH

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9
Q

Pt with blanching ruby-colored papules on the lips, unremitting epistaxis, increased Hct, has what?

A

AV shunting d/t Osler-Weber-Rendu (hereditary telangiectasia)

AD

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11
Q

Pt with mild hypercalcemia in the setting of metastatic breast cancer should be treated how?

A

Bisphosphonates

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13
Q

Pt that has blood transfusion and then develops DIC is d/t what etiology?

A

Acute hemolytic transfusion d/t ABO incompatibility

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14
Q

HIT can cause what unexpected problem?

A

Arterial thrombosis

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16
Q

OSA causes transient periods of hypoxia, what is the result?

A

Increased EPO

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18
Q

How do you diagnose CLL?

Shows what?

A

Flow cytometry

Clonalality of mature B cells

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19
Q

Pt that has ESRD, retinal hemorrhages, HA, and Very high HTN, what is going on?

D/t what?

A

HTN crisis

SE of EPO therapy

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22
Q

Pt that has unexplained ITP after all else has been ruled out, what else must you consider?

A

HIV

HepC

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25
Q

vWF deficiency presents w/what lab values?

A

Prolonged bleeding time

Inc PTT

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28
Q

What is a hemoglobinopathy?

A

Sickle cell or thalassemia

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29
Q

Anemia in old man that has arthritis most likely has what?

A

Fe deficiency anemia 2/2 chronic NSAID use and GI Bleed

30
Q

What is the mechanism of pancytopenia in SLE?

A

Peripheral immune-mediated destruction

31
Q

What presents w/HTN, transient vision disturbances, aquagenic pruritus, facial plethora and splenomegaly?

Treat how?

A

Polycythemia Vera

Serial phlebotomy
Also can add Hydroxyurea

34
Q

Tumor lysis syndrome presents how with the following electrolytes?

Ca
PO4
K+

WHY?

A

Dec
Inc
Inc

Cell contents are freed when cell dies and PO4 and K+ are high INTRACELLULARLY, thus when they are released Ca binds PO4 and becomes LOW

35
Q

Pt that presents w/HA, N, dizziness and polycythemia most likely has what?

Look out for what?

A

Chronic CO poisoning

Environmental work exposure

36
Q

Anemia of lymphoproliferative disorders is d/t what?

A

Bone marrow infiltration w/cancerous cells

37
Q

GVHD involves activation of what cells?

A

Donor T lymphocytes

40
Q

Pt that has fatigue and dyspnea following a respiratory infection treated w/Amoxicillin that has anemia and reticulocytosis has what?

Treatment?

A

Autoimmune hemolytic anemia —> warm agglutination

High dose glucocorticoids

42
Q

Hereditary Spherocytosis presents how?

At increased risk for what?

Lab studies show what?

A

Hemolytic anemia, jaundice, splenomegaly

Bilirubin gallstones, Parvo B19

high MCHC, high RDW

45
Pt that is acutely ill and has underlying liver disease has an increased risk of developing what in as little as 7-10 days? What lab values?
Vit K deficiency Inc PT and PTT
48
What presents w/progressive fatigability and lab studies that show increased Iron?
Sideroblastic anemia