Instructions
Intravenous tissue plasminogen activator (tPA), also known as alteplase, is the only FDA-approved pharmacologic treatment for acute ischemic stroke within the therapeutic window. Correct patient selection is critical because tPA can significantly improve functional outcomes when used appropriately, but it also carries a risk of intracranial hemorrhage if given to the wrong patients.
Before administration, clinicians must:
Confirm diagnosis of acute ischemic stroke through clinical assessment and non-contrast head CT (to rule out hemorrhage).
Verify that the patient is within the recommended time window (generally ≤4.5 hours from symptom onset).
Review absolute and relative contraindications to tPA use.
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