, hypertension , angina pectoris , congestive heart failure , atrial fibrillation , cerebral ischemia , cerebrovascular accident , heart arrest , Raynaud's syndrome , murmur , myocardial infarct , palpitation , pericarditis , postural hypotension , syncope , tachycardia , thrombosis, sick sinus syndrome , EKG abnormalities, and peripheral vascular