A lady 76 years old had loss of consciousness but was fine after 10 minutes

A lady 76 years old had loss of consciousness but was fine after 10 minutes. She was taking Aspirin, Bendroflumethiazide and Simvastatin. All examinations were normal. CT scan was done. What is the most appropriate management?

A. Add aspirin 300
B. Clopidogrel
C. Dipyramidamole
D. Clopidogrel +Dipyramidamole