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TIA Secondary Prevention — SCE Neurology MCQ

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ModerateNeurologyTIA Secondary PreventionSCE Neurology

A 68-year-old with TIA (ABCD2 score 5) presents 8 hours after symptom resolution. No thrombolysis given. Which antiplatelet plan is preferred?

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Correct answer: C — Dual antiplatelet therapy for 21 days then monotherapy

For high-risk TIA/minor stroke, short-course DAPT (21 days) starting within 24 hours reduces early recurrence; thereafter continue single antiplatelet. Prolonged DAPT (D) increases bleeding; monotherapy (A, B) lacks early combined benefit; no therapy (E) is incorrect.

Reference: AHA/ASA Guideline (2021): Secondary Prevention in Patients With Stroke and TIA