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: changes to discharge medications: metoprolol 100 mg tid, amiodarone 400 mg tid times 7 days, then times 14 days, then q d times 14 days, then 200 mg q d. discharge condition: stable. discharge status: is to be transferred on to a rehabilitation facility. discharge diagnosis: 1. status post cabg times four. , m.d. dictated by: medquist36 procedure: (aorto)coronary bypass of three coronary arteries single internal mammary-coronary artery bypass extracorporeal circulation auxiliary to open heart surgery diagnostic ultrasound of heart other esophagoscopy diagnoses: coronary atherosclerosis of native coronary artery unspecified essential hypertension diabetes mellitus without mention of complication, type ii or unspecified type, not stated as uncontrolled atherosclerosis of native arteries of the extremities with intermittent claudication atrial fibrillation other and unspecified hyperlipidemia other and unspecified angina pectoris unspecified sleep apnea subendocardial infarction, subsequent episode of care 

Answer: The patient is high likely exposed to