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: allergies: patient recorded as having no known allergies to drugs attending: chief complaint: bicuspid aortic valve with stenosis major surgical or invasive procedure: aortic valve replacement (25mm on-x mechanical) history of present illness: known bicuspid aortic valve with progressive doe. he was referred for valve replacement at this time due to decreased exercise tolerance. social history: h/o narcotic abuse secondary to musculoskeletal injuries ex smoker- 30pk yr history h/o etoh abuse family history: noncontributory physical exam: a,o x 3 lungs- clear bilat. cor- sr at 78, crisp valve sounds. wds- clean and dry. sternum stable. exts- no cce. pertinent results: 05:45am blood wbc-8.9 rbc-4.25* hgb-11.7* hct-34.8* mcv-82 mch-27.6 mchc-33.7 rdw-13.4 plt ct-239 05:45am blood pt-26.1* inr(pt)-2.6* 07:45am blood pt-20.7* ptt-36.6* inr(pt)-2.0* 09:44pm blood pt-20.2* ptt-30.6 inr(pt)-1.9* 06:36am blood pt-15.2* ptt-21.5* inr(pt)-1.3* 06:01pm blood pt-14.8* inr(pt)-1.3* 05:45am blood glucose-93 urean-23* creat-0.8 na-138 k-4.1 cl-104 hco3-23 angap-15 brief hospital course: mr. avr with a mechanical valve on see operative note for details .he weaned from cpb on neosynephrine and popafol. he required a right ct for a pneumothorax and was then extubated easily. he was somewhat hypoxic, in part due to his smoking history and in part due to poor respiratory effort due to pain. analgesia was achieved and he improved. his oxygenation was adequate and the ct was removed. he was transferred to the floor and recovered from his surgery uneventfully. at discharge he was ambulatory, all wound were healing well and his pain was well controlled. he is anticoagulated due to his mechanical valve and his coumadin will be managed by dr. , his internist at neighborhood health clinic. medications on admission: lipitor, zocor, asa discharge medications: 1. aspirin 81 mg tablet, delayed release (e.c.) sig: one (1) tablet, delayed release (e.c.) po daily (daily). disp:*30 tablet, delayed release (e.c.)(s)* refills:*2* 2. metoprolol tartrate 25 mg tablet sig: one (1) tablet po every eight (8) hours. disp:*90 tablet(s)* refills:*2* 3. hydromorphone 2 mg tablet sig: 1-2 tablets po q3-4 hrs as needed. disp:*50 tablet(s)* refills:*0* 4. furosemide 20 mg tablet sig: one (1) tablet po once a day. disp:*30 tablet(s)* refills:*2* 5. simvastatin 10 mg tablet sig: one (1) tablet po daily (daily). disp:*30 tablet(s)* refills:*2* 6. potassium chloride 20 meq packet sig: one (1) packet po once a day. disp:*30 packet(s)* refills:*2* 7. warfarin 2.5 mg tablet sig: as directd tablet po once a day: 1 tablet on then daily as directed by dr.. disp:*100 tablet(s)* refills:*2* 8. ranitidine hcl 150 mg tablet sig: one (1) tablet po bid (2 times a day). disp:*60 tablet(s)* refills:*2* 9. ibuprofen 600 mg tablet sig: one (1) tablet po q6h (every 6 hours) as needed for pain. disp:*100 tablet(s)* refills:*0* 10. chantix 1 mg tablet sig: one (1) tablet po bid (). disp:*60 tablet(s)* refills:*2* 11. lisinopril 2.5 mg tablet sig: one (1) tablet po once a day. disp:*30 tablet(s)* refills:*2* discharge disposition: home with service facility: vna discharge diagnosis: s/p aortic valve replacement ( 25mm onx mechanical) hypertension aortic stenosis with bicuspid valve hyperlipidemia copd s/p rotator cuff repair s/p knee arthroscopy discharge condition: good discharge instructions: keep wounds clean and dry. ok to shower, no bathing or swimming. take all medications as prescribed. call for all fevers if greater than 100.5, or drainage from sternal incision no creams, lotions or powders to incisions. no driving for 4 weeks and off all narcotics no lifting more than 10 pounds for 10 weeks followup instructions: dr on @1:45 and to manage coumadin dosing daily dr in 4 weeks () dr in 3 months-patient to have chest ct prior to visit with dr procedure: extracorporeal circulation auxiliary to open heart surgery open and other replacement of aortic valve diagnoses: unspecified essential hypertension chronic airway obstruction, not elsewhere classified aortic valve disorders other and unspecified hyperlipidemia long-term (current) use of anticoagulants congenital insufficiency of aortic valve long-term (current) use of aspirin 

Answer: The patient is high likely exposed to