An 82-year-old patient presents with sudden-onset left-sided weakness and slurred speech for 2 hours. Immediate CT scan rules out haemorrhage. Which is the most appropriate immediate management step according to current guidelines?ABegin dual antiplatelet therapyBAdminister IV alteplaseCStart prophylactic low-molecular-weight heparinDDischarge with aspirin onlyEPerform urgent carotid endarterectomyCheck my answer