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: brought in from nh for brbpr major surgical or invasive procedure: none history of present illness: 82 yo man with hx of recurrent gi bleeding, atrial fib on coumadin, chf with normal ef and 3+mr p/w brbpr. he was at the nursing home when found with brbpr on his bed sheet. at the time, his inr was >4.0 and he was given vitamin k 2.5mg po. his stool was guaiac positive. he was without sob or any n/v. he denied any pain at that time. he also has had poor po intake according to the nh records. this has occurred a number of times and recently he had an egd in which showed gastritis, duodenitis and a colonoscopy in which showed diverticulosis. the patient also has a history of c. diff colitis and was discharged in with flagyl and vanco po to treat c diff. . in the ed: vs: 94.7 95/67 24 100% 2l. his inr was 5.7 and he was given 3u ffp. he was seen by gi when he arrived in the icu and since his hct was 34 on admission (at or near baseline), it was not considered necessary to do an urgent scope. gi plans to perform a capsule study on monday. . currently, the patient is oriented to person only, which is reportedly his baseline. according to his son, he has been deteriorating over the last several months. past medical history: 1. htn 2. valvular hd (mainly 3+mr) 3. afib on coumadin 4. hyperlipidemia 5. prostate ca s/p xrt - no recent followup 6. aaa s/p repair 7. ugib from duodenal polyps 8. sbo s/p loa 9. anxiety 10. diverticulosis w/ diverticulitis 11. c. diff colitis x4 in past year, recently on flagyl and vanco po for active infection social history: tobacco: 30 pack year smoking history, quit 20y ago. alcohol: denies alcohol use. widowed x 13 years, lives in , lives in the area, has been at nursing home since . son lives close by ( ), other son is hcp and can be reached at . family history: unknown, non-contributory. physical exam: vs: 97.3, 117/63, 117, 23 96% 2l . general: comfortable, nad neuro: alert to person, not place or situation. heent: perlla, eomi, anicteric, op dry, mm dry lungs: clear bilaterally, equal bs bilaterally heart: rr, s1 and s2 nl. no mgr abdomen: nd, +b/s, soft, nt, no masses extremities: cool extremities, trace pulses skin/nails: no rashes pertinent results: ck 40 trop-t: 0.06 146 110 25 ---------------< 111 3.8 21 1.1 . 10.5 7.8 >----< 252 32.7 pt: 27.5 ptt: 40.2 inr: 2.8 . ekg: atrial fib with normal axis, rate of 90, twi i, avl, v5-v6, st depressions in v5-v6. . cxr: marked global cardiomegaly without evidence of chf. left retrocardiac opacity could represent atelectasis or pneumonia. recommend lateral view for further evaluation. brief hospital course: this is an 82 yo man who was recently discharged with c diff colitis who presented with poor po intake, brbpr, and altered mental status. he became hypotensive and tachycardic during his admission day and had worsening mental status. the etiology of his condition was unclear, in the ddx was urosepsis, c. diff colitis, gi source (he presented with brbpr). he was given fluid support and started on empiric antibiotics. vasopressors were not used in accordance with his families wishes. due to his deteriorating condition, a family meeting was held, after discussion with his family members (including his hcp) about options and possible outcomes, a decision was made to focus on comfort, his status was changed to dnr/dni. at this time the fluid support was held, antibiotics were stopped. supportive care was initiated. the patient was given pain medication for relief of pain and respiritory distress as needed. the patient expired peacefully with his family in the room. the family was offered any autopsy, which was declined. medications on admission: protonix 40 qd folic acid 1mg qd lasix 40mg qd citalopram 20mg qd mvi keppra 1000mg qd metoprolol 25mg sucralfate 1gm tid tylenol prn duoneb prn coumadin (unknown dose) discharge medications: expired discharge disposition: expired discharge diagnosis: expired discharge condition: expired discharge instructions: expired followup instructions: expired procedure: transfusion of other serum diagnoses: acidosis mitral valve disorders congestive heart failure, unspecified unspecified septicemia atrial fibrillation personal history of malignant neoplasm of prostate other and unspecified hyperlipidemia septic shock chronic systolic heart failure long-term (current) use of anticoagulants hemorrhage of gastrointestinal tract, unspecified systemic inflammatory response syndrome due to noninfectious process with acute organ dysfunction 

Answer: The patient is high likely exposed to