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 rehabilitation. discharge diagnoses: 1. staphylococcus aureus bacteremia. 2. central retinal artery thrombosis of left eye. 3. paroxysmal atrial fibrillation. 4. acute renal failure. 5. anemia. 6. bioprosthetic mitral valve replacement (mitral valve prolapse with severe mitral regurgitation). 7. pulmonary hypertension. 8. coronary artery disease. 9. gout. 10. diverticulitis. 11. chronic renal insufficiency (with a baseline creatinine of 1.2). 12. abdominal aortic aneurysm repair. medications on discharge: 1. propafenone 150 mg by mouth three times per day. 2. senna one tablet by mouth twice per day as needed (for constipation). 3. acetaminophen 325 mg to 650 mg by mouth q.4-6h. as needed. 4. nacl 0.65% aerosol nasal spray four times per day as needed. 5. bisacodyl 10 mg by mouth once per day as needed (for constipation). 6. colace 100 mg by mouth twice per day as needed (for constipation). 7. oxazepam 15 mg by mouth at hour of sleep (per home medication dose). 8. rifampin 300 mg by mouth q.12h. (for 17 days - to end on ). 9. vancomycin 1 gram intravenously for vancomycin random level less than 15 up until (17 days). 10. atenolol 25 mg by mouth once per day. 11. ipratropium meter-dosed inhaler 2 puffs q.4-6h. as needed. 12. albuterol nebulizers q.6h. as needed. 13. digoxin 0.0625 mg by mouth once per day. 14. epogen 5000 units subcutaneously twice per week (on tuesday and friday). 15. warfarin 3 mg by mouth at hour of sleep (every wednesday, thursday, friday and saturday). 16. warfarin 4 mg by mouth at hour of sleep (every sunday, monday, and tuesday). 17. lorazepam 0.5 mg to 1 mg intravenously q.4h. as needed (for anxiety). discharge instructions/followup: 1. the patient was instructed to follow up with his primary care physician (dr. in the next couple of weeks as needed. 2. the patient was also instructed to follow up with his cardiologist (dr. ). 3. the patient was to make an appointment with dr. on for a neurology/ophthalmology appointment in the next one to two weeks. all decisions of the medical team were communicated to the patient and his family as well as his home doctors. , m.d. dictated by: medquist36 procedure: venous catheterization, not elsewhere classified diagnostic ultrasound of heart transfusion of packed cells therapeutic evacuation of anterior chamber diagnoses: acute kidney failure with lesion of tubular necrosis congestive heart failure, unspecified severe sepsis atrial fibrillation methicillin susceptible staphylococcus aureus septicemia septic shock other and unspecified coagulation defects infection and inflammatory reaction due to cardiac device, implant, and graft central retinal artery occlusion 

Answer: The patient is high likely exposed to