- Myocardial infarction with significant impairment of cardiac function (e.g., ejection fraction =< 50%); severe/unstable angina pectoris; coronary/peripheral artery bypass graft; congestive heart failure; cerebrovascular accident (CVA) or transient ischemic attack (TIA), pulmonary embolism, or other clinically significant thromboembolic event; clinically significant pulmonary disease (e.g., severe chronic obstructive pulmonary disease [COPD] or asthma);