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: penicillins attending: chief complaint: dyspnea on exertion major surgical or invasive procedure: aortic valve replacement (21mm mosaic porcine valve), augmentation aortoplasty with pericardial patch history of present illness: 68 y/o female with known aortic stenosis with dyspnea on exertion and decreased exercise tolerance who was experiencing increased heart failure symptoms. she has known critical aortic stenosis with normal coronaries and lv function. also was on coumadin for paroxysmal atrial fibrillation. being admitted prior to surgery for heparin. past medical history: aortic stenosis, congestive heart failure - diastolic, paroxysmal atrial fibrillation, thoracic lymphadenopathy, hypertension, obesity, mild copd, goiter, s/p c-section x 2, s/p hysterectomy, s/p excision of liver cyst social history: quit smoking 20yrs ago after 20pk/yrhx social etoh use 2 drinks/month family history: father died from cad at 60 physical exam: at discharge: vs:t98 bp87/44 p86 sb rr20 gen:nad chest:cta bilaterally heart:rrr, sternum stable abd:s, nt, nd ext:1+ le incision:distal pole msi beefy, no drainage pertinent results: echo: pre bypass: no thrombus is seen in the left atrial appendage. no atrial septal defect is seen by 2d or color doppler. there is mild symmetric left ventricular hypertrophy. regional left ventricular wall motion is normal. overall left ventricular systolic function is normal (lvef>55%). right ventricular chamber size and free wall motion are normal. there are complex (>4mm) atheroma in the aortic root. there are complex (>4mm) atheroma in the aortic arch. there are complex (>4mm) atheroma in the descending thoracic aorta. there are three aortic valve leaflets. the aortic valve leaflets are moderately thickened. there is moderate to severe aortic valve stenosis (area 0.8-1.0cm2). no aortic regurgitation is seen. the mitral valve leaflets are mildly thickened. mild (1+) mitral regurgitation is seen. post bypass: preserved biventricular function. a bioprosthetic aortic valve is seen. (#21 mosaic ultra per surgeons). no perivalvular leaks. trace central ai. peak gradient 62-65 mm hg, mean gradient 22-25 mm hg. mitral regurgitation remains 1+. aortic contours intact. remaining exam is unchanged. all findings discussed with surgeons at the time of the exam. 05:20am blood wbc-13.2* rbc-3.43* hgb-10.2* hct-30.7* mcv-90 mch-29.8 mchc-33.3 rdw-14.8 plt ct-429# 05:20am blood plt ct-429# 05:20am blood glucose-107* urean-27* creat-1.1 na-134 k-4.6 cl-100 hco3-24 angap-15 brief hospital course: as mentioned in the hpi, ms. was admitted one day prior to surgery. she was started on heparin and underwent usual pre-operative work-up. on he was brought to the operating room where he underwent a aortic valve replacement. please see operative report for surgical details. following surgery he was transferred to the cvicu for invasive monitoring. within 24 hours he was weaned from sedation, awoke neurologically intact and extubated. she was found to be in atrial fibrillation and amiodarone was started. ep was consulted and suggested medical treatment with amiodarone instead of electrical cardioversion. her chest tubes were removed and she was transferred to the floor. her wires were removed and she was started on coumadin. she was agressively diuresed. by post-operative day 8 she was ready for discharge to home. medications on admission: cardizem 120mg qd, lisinopril 10mg qd, mvi, coumadin 4mg qd (stopped ) 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:*0* 2. oxycodone-acetaminophen 5-325 mg tablet sig: 1-2 tablets po q4h (every 4 hours) as needed for pain. disp:*40 tablet(s)* refills:*0* 3. amiodarone 200 mg tablet sig: two (2) tablet po bid (2 times a day). disp:*120 tablet(s)* refills:*0* 4. metoprolol tartrate 50 mg tablet sig: 2.5 tablets po tid (3 times a day): take 2.5 tablets for a total of 125mg three times per day. disp:*225 tablet(s)* refills:*0* 5. clindamycin hcl 150 mg capsule sig: two (2) capsule po q8h (every 8 hours) for 5 days: sternal erythema. disp:*15 capsule(s)* refills:*0* 6. warfarin 1 mg tablet sig: one (1) tablet po once (once) for 1 doses: please take 1 mg daily or as directed by the office of dr. . disp:*40 tablet(s)* refills:*0* 7. furosemide 40 mg tablet sig: one (1) tablet po bid (2 times a day) for 7 days. disp:*14 tablet(s)* refills:*0* 8. potassium chloride 20 meq tab sust.rel. particle/crystal sig: two (2) tab sust.rel. particle/crystal po once a day for 7 days. disp:*14 tab sust.rel. particle/crystal(s)* refills:*0* 9. outpatient lab work inr to be drawn on monday with results sent to the office of dr. , fax ( discharge disposition: home with service facility: tba discharge diagnosis: aortic stenosis s/p aortic valve replacement congestive heart failure - diastolic pmh: paroxysmal atrial fibrillation, thoracic lymphadenopathy, hypertension, obesity, mild copd, goiter, s/p c-section x 2, s/p hysterectomy, s/p excision of liver cyst discharge condition: good discharge instructions: 1) monitor wounds for signs of infection. these include redness, drainage or increased pain. in the event that you have drainage from your sternal wound, please contact the at (. 2) report any fever greater then 100.5. 3) report any weight gain of 2 pounds in 24 hours or 5 pounds in 1 week. 4) no lotions, creams or powders to incision until it has healed. you may shower and wash incision. gently pat the wound dry. please shower daily. no bathing or swimming for 1 month. use sunscreen on incision if exposed to sun. 5) no lifting greater then 10 pounds for 10 weeks. 6) no driving for 1 month or while taking narcotics for pain. 7) call with any questions or concerns. followup instructions: dr. in 4 weeks ( dr. in weeks dr. in weeks (. inr to be drawn on monday with results sent to the office of dr. , fax (. plan confirmed with . procedure: extracorporeal circulation auxiliary to open heart surgery open and other replacement of aortic valve with tissue graft transfusion of packed cells repair of blood vessel with tissue patch graft diagnoses: urinary tract infection, site not specified congestive heart failure, unspecified unspecified essential hypertension chronic airway obstruction, not elsewhere classified atrial fibrillation aortic valve disorders atrial flutter morbid obesity long-term (current) use of anticoagulants chronic diastolic heart failure volume depletion, unspecified nontoxic multinodular goiter 

Answer: The patient is high likely exposed to