A 62 year-old man suddenly began to experience difficulty speaking and left-sided weakness. He is brought to the ER. He meets initial criteria for fibrinolytic therapy and a CT scan of the brain is ordered. Guidelines for antiplatelet and antothrombotic therapy are:
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Administer heparin if CT scan is negative for hemorrhage
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Administer aspirin 160-325 mg orally chewed, immediately
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Do not give aspirin for at least 24 hours if tPA is administered\r\n
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Give aspirin 160 mg and clopidogrel 75 mg orally
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