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: briefly, this is a 70-year-old gentleman, status post silent mi in , who had a few months of exertional dyspnea and chest pressure and had a positive stress thallium test on with ekg changes. his past medical history was significant for hypertension, hypercholesterolemia, remote tobacco use, diabetes, silent mi, status post esophageal dilatation. medications at home: toprol xl 75 once a day prilosec 20 mg once a day captopril 25 mg b.i.d. lipitor 10 mg once a day aspirin he denies any cerebrovascular events or any transient ischemic events or any lower gi bleeds. he denies any bleeding diathesis. his cath showed an lvef of 65%, 90% lad stenosis, 90% left circumflex, om-1 stenosis. labs on showed a cbc of 7.5, 41.2, and 214. coags 13 and 28 respectively. chemistries were 134, 3.8, 101, 24, 17, 0.9, 147. alt, ast, alk phos and total bilirubin were all within normal limits. physical examination: physical exam at that time showed a pleasant 70-year-old gentleman in no acute distress with a heart rate of 77, blood pressure 165/91, satting well on room air at 97% at 18 to 20 breaths per minute. his peripheral pulses were 2+ radial, 2+ femoral, 2+ popliteal, 2+ dps and pts bilaterally. carotids were without a bruit. the patient was taken to the operating room on , where he underwent a cabg. postoperatively the patient was transferred to the cardiothoracic recovery unit, intensive care unit, where he was extubated on post-op day #0 after the surgery. he was transferred to the floor. on that evening, he had an episode of svt/arrhythmia/rapid a-fib into the 140s with a stable blood pressure of 140 to 150 systolic, which was not brought under control by acls protocol using lopressor. diltiazem was then used, which resulted in a lower systolic blood pressure. fluid boluses were given as well as i.v. amiodarone, which then brought the heart rate to a normal sinus rhythm with a good systolic blood pressure in the 110s. electrophysiology was then consulted. on post-op day #2, they recommended that we continue lopressor 50 mg b.i.d. and continue amiodarone at 800 mg q.d. while in the hospital, and 400 mg q.d. for one month after discharge secondary to the possibility of bradycardia. it was also recommended by cardiology at that time that the patient be discharged home on of hearts monitor to monitor his blood pressure and his heart rate, mainly his heart rate. on post-op day #3, , the patient was doing well. he was complaining of some incisional chest pain, pulmonary toilet was conducted. the patient tolerated that well and he continued his amiodarone at a loading p.o. dose. the patient did well and on , the patient was discharged home. he will go home with of hearts monitor and will follow up with dr. . course of admission by system: cardiac: the patient had atrial fibrillation for which he was started on amiodarone and lopressor was increased and he was well controlled. cardiology was consulted and has agreed to that. the patient will follow up with dr. , his primary cardiologist at , as well as going home with of hearts monitor so that we can keep track of his heart rate. the patient agrees to the plan. pulmonary: very intensive chest pt and nebulizers were used and patient did well with those. hem: hematocrit was stable close to discharge, afebrile. i.d.: he had no i.d. issues. renal/fen: the patient is roughly 1.5 kg above his pre-op weight. the patient is going home on a week of lasix to diurese that out. on discharge, the patient is in good condition and his sternum is stable. he is to follow up with dr. for surgical issues in about a month. discharge medications: 1. aspirin 325 mg q.d. 2. zantac 150 mg b.i.d. 3. colace 100 mg b.i.d. 4. k-cl 20 meq b.i.d. for 7 days. 5. lasix 20 mg p.o. t.i.d. for 7 days. 6. lopressor 50 mg p.o. b.i.d. 7. amiodarone 400 mg p.o. q.d. (consultation with cardiology, which was done in-house). 8. percocet 5/225 mg tabs p.o. q.4.h. p.r.n. 1-2 tabs. the patient is going home with vma for monitoring and assistance. , 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 monitoring of cardiac output by other technique diagnoses: coronary atherosclerosis of native coronary artery pure hypercholesterolemia unspecified essential hypertension diabetes mellitus without mention of complication, type ii or unspecified type, not stated as uncontrolled cardiac complications, not elsewhere classified atrial fibrillation personal history of tobacco use old myocardial infarction 

Answer: The patient is high likely exposed to