The risk of recurrent stroke is estimated to be 3% to 10% within the first 30 days and increases to 25% to 40% 5 years after the initial stroke.4 Equally important is the approximate 10% risk of stroke within 90 days after a TIA, which is significantly greater within the first week.2 Appropriate antithrombotic therapy and controlling modifiable risk factors, such as hypertension, diabetes, hyperli