preferred_name: Documentation that the patient is on daily aspirin or anti-platelet or has documentation of a valid contraindication or exception to aspirin/anti-platelet; contraindications/exceptions include anti-coagulant use, allergy to aspirin or anti-platelets, history of gastrointestinal bleed and bleeding disorder; additionally, the following exceptions documented by the physician as a reason for not taking daily aspirin or anti-platelet are acceptable (use of non-steroidal anti-inflammatory agents, documented risk for drug interaction, uncontrolled hypertension defined as >180 systolic or >110 diastolic or gastroesophageal reflux)