Rosh Review Hematology

Question 1

What is the differential diagnosis for microcytic anemia?

Answer 1

• Iron deficiency
• Thalassemia
• Anemia of inflammation (anemia of chronic disease)
• Sideroblastic anemia.

Question 2

What should you use in case of heparin-induced thrombocytopenia?

Answer 2

Argatroban

Question 3

Can heparin-induced thrombocytopenia cause thrombosis in both arterial and venous systems?

Answer 3

Yes

Question 4

Can enoxaparin cause heparin-induced thrombocytopenia?

Answer 4

Yes

Question 5

Can patients with platelet count within normal range have heparin-induced thrombocytopenia?

Answer 5

Yes (if there is 30%-50% decrease in the platelet count from the baseline)

Question 6

How long after heparin exposure does heparin-induced thrombocytopenia occur?

Answer 6

5 - 10 days

Question 7

Which hematology test is abnormal in antiphospholipid antibody syndrome?

Answer 7

Prolonged partial thromboplastin time (PTT)

Question 8

Can antiphospholipid antibody syndrome have a false positive syphilis serology?

Answer 8

Yes

Question 9

When should intravenous unfractionated heparin be stopped prior to a procedure?

Answer 9

4–6 hours prior