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Thrombocytopenia

Heparin-Induced Thrombocytopenia

*Please take the quiz below the video to receive credit.

Objectives

Explain the pathophysiology of heparin induced thrombocytopenia (HIT)
Recognize the clinical manifestations of HIT
Manage complications associated with HIT

Articles

Heparin-induced thrombocytopenia
Heparin-induced thrombocytopenia (HIT): Identification and treatment pathways

Lecture

Quiz

Heparin-Induced Thrombocytopenia

Name*
First Last
1. What percent of the population develop heparin induced thrombocytopenia when exposed to heparin?*
- a. 1%
- b. 5%
- c. 10%
- d. 20%
2. True or False: The mortality rate associated with heparin induced thrombocytopenia is approximately 40%.*
- True
- False
3. Which of the following is NOT a non-immune mediated cause of increased platelet destruction?*
- a. Sepsis
- b. Disseminated intravascular coagulation
- c. Thrombotic thrombocytopenic purpura
- d. Post-transfusion purpura
4. Heparin induced thrombocytopenia type II typically presents in _______ after administration of heparin.*
- a. 1-2 hours
- b. 1-2 days
- c. 5-10 hours
- d. 5-10 days
5. Which of the following is NOT a risk factor for developing heparin induced thrombocytopenia?*
- a. Increased heparin dose
- b. Male sex
- c. Older age
- d. Use of unfractionated heparin vs low molecular weight heparin
6. Bleeding associated with heparin induced thrombocytopenia typically presents as?*
- a. Gastrointestinal bleeding
- b. Central nervous system bleeding
- c. Genitourinary bleeding
- d. None of the above
7. Resolution of the thrombocytopenia after stopping heparin therapy usually occurs after*
- a. 1 day
- b. 3 days
- c. 7 days
- d. 30 days
8. Which of the following is NOT one of the four T’s of scoring for heparin induced thrombocytopenia?*
- a. Thrombocytopenia
- b. Temperature
- c. Timing of fall in platelet count
- d. Thrombosis
- e. Other Cause of thrombocytopenia
9. A provider calculates a score of 6 when utilizing the 4T scoring system for heparin induced thrombocytopenia. The probability of this patient having HIT is?*
- a. Zero
- b. Low
- c. Intermediate
- d. High
10. True or False: Platelet transfusions are recommended to correct the thrombocytopenia associated with heparin induced reactions.*
- True
- False

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