us-usmle-step-2 MCQ (SBA): Acute Ischemic Stroke (tPA Criteria)

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A 63-year-old with acute ischemic stroke presents 90 minutes after symptom onset. BP 178/100 mmHg, CT shows no hemorrhage. Which criterion must be met before IV alteplase?

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us-usmle-step-2 MCQ: Acute Ischemic Stroke (tPA Criteria) — Answer & E