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: history of present illness: this is a 52-year-old female with known aortic stenosis, who has been experiencing dizziness for the past two months. she has also complained of substernal burning with exercise, which occurs 1-2x a month over the last 3-4 months. echocardiogram showed moderate left atrial dilatation, moderate left ventricular hypertrophy, and left ventricular ejection fraction of 55% with thickened aortic valve leaflets and aortic valve area of 0.7 cm squared. she underwent cardiac catheterization at , which showed severe aortic stenosis with an aortic valve area of 0.5 cm squared. no significant mitral regurgitation, ejection fraction of 60%, mean aortic valve gradient of 49 mm hg and moderate pulmonary hypertension. no significant coronary artery disease. she was referred to cardiac surgery for aortic valve replacement. past medical history: 1. aortic stenosis. 2. asthma. 3. thyroiditis. 4. questionable history of gastric ulcer 5. status post right oophorectomy. allergies: vioxx which gives her a rash. preoperative medications: 1. flovent two puffs qid. 2. albuterol two puffs qid. 3. zantac 150 mg po bid. 4. zyrtec 10 mg po q day. 5. cozaar 100 mg po q day. 6. atenolol 50 mg po q day. 7. flurbiprofen 200 mg po q day. 8. lasix 10 mg po q day. 9. norvasc 5 mg po q day. patient was taken to the operating room on with dr. for a minimally invasive aortic valve replacement with a 21 mm carbomedics mechanical valve. patient tolerated the procedure well, and was transferred to the intensive care unit in stable condition. the patient was weaned and extubated from mechanical ventilation on the first postoperative evening. patient was transferred from the intensive care unit to the floor on postoperative day #1. the patient was started on coumadin on postoperative day #1. patient was weaned off of nasal cannula to room air. on postoperative day #2, the patient began ambulating with physical therapy. patient's chest tubes were removed. on postoperative day #2, patient began to diurese. on postoperative day #3, patient began complaining that she was having increasing wheezing. on postoperative day #4, patient complained of incisional chest pain and difficulty breathing. chest x-ray at that time showed no effusion or infiltrate, no pneumothorax. the patient was found to have bilateral wheezes. the patient was medicated with an albuterol nebulizer and given percocet for pain relief. patient's lasix was increased to iv and she continued to diurese well. postoperative day #5, the patient's inr increased from 1.1 to 2.5, and rose to a high of 3.8 on postoperative day #7. patient had been cleared by physical therapy on postoperative day #3. the patient continued to ambulate in the hallway, and on postoperative day #8, patient was cleared for discharge to home. condition on discharge: temperature max 98.1, pulse 86 sinus rhythm, blood pressure 126/58, respiratory rate 16, and on room air oxygen saturation 96%. patient's weight on is 85.4 kg. preoperatively, the patient weighed 84 kg. patient is awake, alert, conversant, and nonfocal. heart is regular, rate, and rhythm with a sharp click, no rub. respiratory: lungs are clear to auscultation. abdomen is soft, nontender, and nondistended, normoactive bowel sounds. extremities are with 1+ pitting edema, warm, and well perfused. sternum is stable. incision is clean, dry, and intact. laboratory data from : white blood cell count 11.9, hematocrit 30.1, platelet count of 704. sodium 133, potassium 4.8, chloride 93, bicarb 30, bun 11, creatinine 0.8, glucose 106. pt 23.5, inr 3.9. discharge medications: 1. lasix 40 mg po bid x2 weeks. 2. potassium chloride 20 meq po bid x2 weeks. 3. colace 100 mg po bid while taking percocet. 4. enteric coated aspirin 81 mg po q day. 5. atenolol 75 mg po q day. 6. flovent mdi two puffs . 7. atrovent two puffs . 8. albuterol mdi two puffs q4h prn. 9. percocet 5/325 1-2 tablets po q4h prn. 10. ibuprofen 600 mg po q6h prn. 11. coumadin 2 mg po . the patient is to have a pt/inr drawn , results are to be called to dr. office at , and his office is to determine further dosing. patient's goal inr is 2.5-3. discharge diagnoses: 1. aortic stenosis. 2. status post aortic valve replacement minimally invasive with a 21 mm carbomedics valve. 3. asthma. condition on discharge: the patient is to be discharged to home in stable condition. follow-up instructions: patient is to followup in the clinic in two weeks for a wound check. the patient is to followup with dr. in weeks. the patient is to followup with dr. in four weeks. , m.d. dictated by: medquist36 procedure: open and other replacement of aortic valve diagnoses: aortic valve disorders other chronic pulmonary heart diseases asthma, unspecified type, with (acute) exacerbation 

Answer: The patient is high likely exposed to