Consider the following medical report that includes the patient's historical health records. Use it to predict the disease that the patient is high likely exposed to. 

 Medical Report: discharge status: to home. discharge diagnosis: status post three-vessel coronary artery bypass graft, icd placement for high-grade atrioventricular block. discharge medications: 1) lisinopril 10 mg po qd, 2) lasix 80 mg po qd, 3) plavix 75 mg po qd, 4) aspirin 325 mg po qd, 5) protonix 40 mg po qd, 6) metformin 850 mg po bid, 7) colace 100 mg po bid, 8) potassium chloride prn. follow-up plans: the patient was instructed to follow-up with dr. in four weeks. the patient was also instructed to follow-up with dr. . , m.d. dictated by: medquist36 d: 11:37 t: 11:26 job#: procedure: single internal mammary-coronary artery bypass extracorporeal circulation auxiliary to open heart surgery (aorto)coronary bypass of two coronary arteries diagnostic ultrasound of heart other esophagoscopy catheter based invasive electrophysiologic testing division of sympathetic nerve or ganglion implantation of cardiac resynchronization pacemaker without mention of defibrillation, total system [crt-p] diagnoses: coronary atherosclerosis of native coronary artery congestive heart failure, unspecified chronic airway obstruction, not elsewhere classified cardiac complications, not elsewhere classified diabetes with neurological manifestations, type ii or unspecified type, not stated as uncontrolled polyneuropathy in diabetes other left bundle branch block atherosclerosis of native arteries of the extremities, unspecified atrioventricular block, unspecified 

Answer: The patient is high likely exposed to