Practice Quiz

CCRN Critical Care Nursing

Category - Adult

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The best treatment for Pulmonary embolism is prevention. Heparin is often used to prevent pulmonary embolisms in at-risk patients. The Activated Partial Thromboplastin Time (APTT) is used to maintain a therapeutic level for heparin therapy. What level should the Activated Partial Thromboplastin Time be maintained at?
  1. 1.5 to 2 times the normal level
  2. 2.5 to 3 times the normal level
  3. 3 to 4 times the normal level
  4. 5 times the normal level
Explanation
Answer: A - The level the Activated Partial Thromboplastin Time (APTT) should be maintained at is 1.5 times to 2 times the normal level. Heparin therapy is usually started with a weight based bolus to reach the therapeutic goal more quickly.
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