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: vancomycin attending: chief complaint: gi bleed major surgical or invasive procedure: upper endoscopy colonoscopy history of present illness: yo gentleman with pmh of chronic lbp on celebrex, complete heart block s/p , and dvt/pe s/p ivc filter and on coumadin presents with 2 days of dark, smelly bowel movements. his wife reports that she noticed he was having smelly bowel movements saturday night. she reports that they were black and very sticky. she cannot quantify how many per day because she gave him depends. he has never had a similar incident in the past. +fatigue. no brbpr. he denies chest pain, dyspnea, dizziness/lightheadedness, or abdominal pain. he also denies fevers, chills, nausea, or vomiting. of note, mr. had a small bowel enteroscopy in for duodenal thickening found on ct abdomen. the proximal jejunum was reached, there was no luminal narrowing or lesion, biopsies were negative. colonoscopy in demonstrated diverticuli. ed course: vs were 95.3 118/64 67 20 98% ra. exam positive for melenic stools; ng lavage was negative. he was given 2 large bore ivs and received iv protonix. inr was noted to be 1.8, and he was given 5mg po vitamin k. sbp dropped from the 130s to the 90s. although no iv fluids were documented in the ed notes, he may have received 1l of ns in the ed. gi recommended monitoring in the icu. past medical history: pcp - gerd/hiatal hernia - h/o pancreatitis (etiology unknown) and sbo in - osteoarthritis - chronic lbp - likely sciatica - varicose veins s/p stripping in rle - type iib heart block, now s/p dual chamber pm implantation - pe in with placement of ivc filter. - parkinson disease diagnosed all: vancomycin--? reaction social history: married. lives with wife. etoh. quit smoking 40 years ago, no illicit drug use. pt is a retired jazz pianist. family history: non contributory physical exam: vs 98.0 119/67 57 16 98% ra general: pleasant elderly gentleman in nad. heent: mmm, op clear neck: supple. cardiovascular: s1, s2, rrr. no mrg. lungs: ctab no rrw. abdomen: soft, non-tender, mildly distended with gas extremities: wwp. 1+ edema at ankles. support hose in place on lle. neuro: grossly intact, alert and oriented x 3. stool: malodorous and sticky, tarry black with dark red tinge. pertinent results: 03:15pm blood wbc-10.3 rbc-4.25* hgb-12.8*# hct-37.1* mcv-87 mch-30.2 mchc-34.6# rdw-14.3 plt ct-183 07:00pm blood hct-33.6* 11:19pm blood hct-30.5* 02:55am blood wbc-10.0 rbc-3.45* hgb-10.2* hct-30.5* mcv-88 mch-29.5 mchc-33.4 rdw-14.1 plt ct-146* 09:03am blood hct-26.4* 03:59pm blood hct-25.2* 10:33pm blood hct-32.8*# 04:55am blood wbc-8.7 rbc-3.53* hgb-10.4* hct-31.4* mcv-89 mch-29.4 mchc-32.9 rdw-13.9 plt ct-140* 11:20am blood hct-33.6* 03:15pm blood pt-19.4* ptt-26.7 inr(pt)-1.8* 04:55am blood pt-16.7* ptt-26.0 inr(pt)-1.5* 03:15pm blood glucose-102 urean-45* creat-1.5* na-141 k-5.0 cl-107 hco3-24 angap-15 02:55am blood glucose-84 urean-42* creat-1.2 na-142 k-4.2 cl-113* hco3-21* angap-12 ekg: v paced with left axis deviation, rate of 65. lbbb, which is changed from rbbb pattern in . ekg repeated on presentation to the icu, at which point he was a-paced with rate in 50s and rbbb pattern. no st/t changes. egd : medium hiatal hernia erythema and congestion in the antrum compatible with mild gastritis. normal mucosa in the first part of the duodenum, second part of the duodenum, third part of the duodenum and fourth part of the duodenum. no luminal narrowing was noted upto proximal jejunum. otherwise normal egd to second part of the duodenum. colonoscopy : diverticulosis of the sigmoid colon otherwise normal colonoscopy to cecum brief hospital course: year old man with history of parkinson's and pulmonary embolism admitted with melena and inr 1.8 on coumadin. # micu course: hct decreased dropped to a nadir of 25 with frequent episodes of melena. given 2 units packed rbcs when hct < 30; incremented appropriately. he was placed on iv ppi drip as well as vitamin k 5mg po and 3 bags of ffp. his inr improved to 1.5. upper endoscopy showed gastritis but no obvious source of bleed; tagged rbc scan was negative. his hematocrit stabilized, and he was transferred to the floor while awaiting colonoscopy. creatinine improved in the setting of receiving blood and iv fluids; foley was kept in place to monitor i/o closely. course on floor: colonoscopy with diverticulosis, no discrete bleeding source. crit stable. decision made to discontinue anti-coagulation indefinitely to be re started at discretion of pcp, . . mental status, creatinine at baseline on discharge. discharged to home with services. . # comm: (c); (w); (h). sister-in-law (dr. ) . son . medications on admission: warfarin 6 mg po hs hctz 25 mg calcium 600 mg nexium prn (none in past 2 weeks) mvi sinemet 25/250 qday asa 81 mg qday celebrex--one tablet daily, taking during last couple of weeks advair 100/50 qam spiriva qpm discharge medications: 1. multivitamin tablet sig: one (1) tablet po once a day. 2. fluticasone-salmeterol 100-50 mcg/dose disk with device sig: one (1) inhalation inhalation qam (once a day (in the morning)). 3. tiotropium bromide 18 mcg capsule, w/inhalation device sig: one (1) cap inhalation hs (at bedtime). 4. carbidopa-levodopa 25-250 mg tablet sig: one (1) tablet po qam (once a day (in the morning)). 5. carbidopa-levodopa 25-250 mg tablet sig: one (1) tablet po noon (at noon). 6. hydrochlorothiazide 25 mg tablet sig: one (1) tablet po once a day. 7. calcium 500 mg tablet sig: one (1) tablet po twice a day. 8. nexium 40 mg capsule, delayed release(e.c.) sig: one (1) capsule, delayed release(e.c.) po once a day. disp:*30 capsule, delayed release(e.c.)(s)* refills:*2* discharge disposition: home with service facility: vna discharge diagnosis: 1.acute blood loss anemia 2. gastrointestinal bleeding 3. pulmonary embolism secondary: 1. parkinson's disease 2. copd 3. gerd discharge condition: stable, at baseline, no further evidence of bleeding discharge instructions: follow up as below. contact your doctor or go to the emergency room if you noticed blood in your stool, recurrence of black, tarry stools, light-headedness, shortness of breath, chest pain, fevers, abdominal pain or any other new concerning symptoms. all medications as prescribed. the only medications i have changed is discontinuing the coumadin and aspirin. discuss with dr. if and when to restart these medications. you should take the nexium every day. followup instructions: follow up with dr. within the next one to two weeks. please call to make an appointment. you also have the following upcoming appointments: provider: chant, au.d. phone: date/time: 1:15 provider: clinic phone: date/time: 1:00 provider: ,teaching clinic-cc2 (sb) phone: date/time: 9:30 procedure: other endoscopy of small intestine transfusion of packed cells transfusion of other serum diagnoses: other chronic pain esophageal reflux acute posthemorrhagic anemia acute kidney failure, unspecified chronic airway obstruction, not elsewhere classified personal history of tobacco use diaphragmatic hernia without mention of obstruction or gangrene paralysis agitans blood in stool long-term (current) use of anticoagulants osteoarthrosis, unspecified whether generalized or localized, site unspecified cardiac pacemaker in situ personal history of venous thrombosis and embolism lumbago unspecified gastritis and gastroduodenitis, without mention of hemorrhage diverticulosis of colon (without mention of hemorrhage) long-term (current) use of aspirin 

Answer: The patient is high likely exposed to