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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Duration of TIA:
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The correct answer is  Ans. (b) 24 hoursRef.: Harrison 19th ed. / 2568, 17th ed. Ch. 364* The standard definition of TLA requires that all neurologic signs and symptoms resolve within 24 hours regardless of whether there is imaging evidence of new permanent brain injury; stroke has occurred if the neurologic signs and symptoms last for >24 hours.