Design This will be an open-label, pre- and post, 4-week trial. Blood will be drawn on day 1 (baseline), day 2 (1 day after taking 650 mg of aspirin), day 29 (after taking Omacor for 28 days), and day 30 (Omacor + 650 mg of aspirin). Platelet aggregation will be tested in each blood sample.