The nurse is preparing to administer Alteplase (Activase). In order for this medication to be effective in treating a thrombolytic stroke, when must the medication be administered?

Question

1. 6 hours prior to symptoms
2. 3 hours prior to symptoms
3. 24
4. 12

Answer 1

Correct Answer: 2

Rationale 1: Alteplase must be given within 3 hours of thrombotic stroke to be effective.
Rationale 2: Alteplase must be given within 3 hours of thrombotic stroke to be effective.
Rationale 3: Alteplase must be given within 3 hours of thrombotic stroke to be effective, not 24 hours.
Rationale 4: Alteplase must be given within 3 hours of thrombotic stroke to be effective, not 12 hours.

Global Rationale: Alteplase must be given within 3 hours of thrombotic stroke to be effective. Alteplase must be given within 6 hours of the onset of symptoms of MI to be effective. Alteplase must be given within 3 hours of thrombotic stroke to be effective, not 24 hours. Alteplase must be given within 3 hours of thrombotic stroke to be effective, not 12 hours.