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: no drug allergy information on file attending: chief complaint: melena major surgical or invasive procedure: egd history of present illness: patient is an 88 year old female with hsitory of hypertension, constipation,and atypical chest pain, who was in her usual state of health until she and was dizzy on standing after waking in the morning. shortly thereafter she began to vomit coffee ground emesis with no preceeding nausea. she had total episodes of moderate coffe ground emesis throuhgout day. no chest pain, shortness of breath, dizziness, no palp, or dyspnea on exertion. otherwise the patient has been constipated for 3 days without bowel movement. she was initially unsure of melena and on repeat questioning reports small amount of melena x 1. the patient does use asa as needed but no recurrent use. no other nsaid use or alcohol use. she also reported weakness/fatigue, lower extremity edema, increased shortness of breath, and difficulty walking. in the emergency department, the patient had a hematocrit of 30 which changed to 27.4 4 hours later. ng lavage with 320ml coffee ground emesis that did not clear. not orthostatic on admission to ed, 99% ra, bp 104/76, hr 74 in ed. recieved 2 l ns in ed, 2 pivs, protonix. past medical history: htn constipation raynauds ?dementia social history: lives alone, nonsmoker, nondrinker family history: father with h/o mi physical exam: tc 97.3 tm 98.3 bp 120/72 hr 63 rr 18 o2 98% ra gen - alert, awake, pleasant in nad heent - anicteric, mucous membranes moist and intact neck - supple, no jugular venous distention chest - clear to auscultation bilaterally, no crackles/rhonchi cv - normal s1/s2, regular rate and rhythm, no murmurs, rubs or gallops, 2+ pulses throughout abd - soft, nondistended, nontender with normoactive bowel sounds,no masses extr - warm, no clubbing, cyanosis, or edema neuro - alert, oriented to self and hospital. ambulating well. denies loss of sensation, face symmetric, tongue non-deviated pertinent results: helicobacter pylori antibody test (final ): positive by eia. . ecg: sinus rhythm. right bundle-branch block. compared to the previous tracing of bradycardia is no longer present. right bundle-branch block patterning persists. . 06:15am blood hct-31.4* 04:00pm blood hct-34.9* 06:25am blood wbc-3.8* rbc-3.48* hgb-10.6* hct-31.2* mcv-90 mch-30.3 mchc-33.9 rdw-15.5 plt ct-153 06:55am blood wbc-3.7* rbc-3.56* hgb-10.9* hct-31.2* mcv-88 mch-30.6 mchc-34.9 rdw-15.2 plt ct-155 08:45pm blood hct-32.3* 06:30am blood wbc-4.5 rbc-3.15* hgb-9.6* hct-27.6* mcv-88 mch-30.4 mchc-34.6 rdw-15.2 plt ct-140* 07:00pm blood hct-30.1* 12:34pm blood hct-31.5* 06:30am blood wbc-5.2 rbc-3.31* hgb-10.2* hct-29.0* mcv-88 mch-30.7 mchc-35.1* rdw-15.0 plt ct-134* 10:48pm blood hct-26.2* 12:42pm blood hct-29.6* 04:21am blood wbc-7.4 rbc-3.44* hgb-10.0* hct-30.5* mcv-89 mch-29.2 mchc-32.8 rdw-14.6 plt ct-155 08:04pm blood hct-26.8*# 01:06pm blood hct-18.5*# 02:45am blood wbc-5.7 rbc-3.03* hgb-8.7* hct-25.8* mcv-85 mch-28.8 mchc-33.8 rdw-14.4 plt ct-178 11:15pm blood wbc-7.4 rbc-3.24* hgb-9.4* hct-27.4* mcv-84 mch-29.0 mchc-34.4 rdw-13.4 plt ct-201 07:40pm blood wbc-6.3 rbc-3.53* hgb-10.2* hct-30.3* mcv-86 mch-28.8 mchc-33.6 rdw-13.4 plt ct-196 06:25am blood glucose-81 urean-12 creat-0.8 na-141 k-3.8 cl-113* hco3-24 06:55am blood totprot-5.3* calcium-8.5 phos-3.9 mg-1.6 06:55am blood vitb12-626 folate-16.8 . brief hospital course: 88 year old female with history of hypertension who presented with gastrointestinal bleeding likely due to gastroesophageal junction ulceration. . gastrointestinal bleeding: patient was brought to the icu from the ed with #2 pivs. she was on protonix iv bid and was made npo for procedure. she self discontinued her ng tube overnight. her hematocrit dropped from 30 on admission to ed to 18 overnight and she was transfused 2 units with good results. on , she underwent uncomplicated egd which demonstrated ulcerations at ge junction, likely source of bleeding. gastroenterology suggested pantoprazole for 8 weeks, them once daily and scheduled her for a repeat egd as outpatient (already arranged). also, future outpatient colonoscopy was suggested. anti-hypertensive medication, nsaids, and asa were held. the patient was transfered to the regular medicine floor on and overnight, her hematocrit dropped from 29 to 26. she was again transfused 1 u prbcs with increase to 29. patient was tolerating clears at this point with no nausea, vomiting, dizziness. she received another unit of prbcs on to increase her hematocrit above 30. since, her hematocrit has remained stable above 30. she continues to report having black stools but denies gross bleeding, lightheadedness, or weakness. she will follow up with the gi service for evaluation and repeat egd. she was started on clarithromycin and amoxicillin on for positive testing for h. pylori serologies and will finish a two week course of antibiotics at home. she should continue the protonix twice daily for a total of two months. her hematocrit should be followed as an outpatient to help monitor for blood loss. first draw is scheduled for . she was educated to return to the hospital for signs or symptoms of blood loss. the patient is ambulating well and has good oral intake. she has been afebrile throughout her hospital stay and has an unremarkable physical exam. she received physical therapy and assistance with strength building before discharge and will be getting home nursing physical therapy, occupational therapy, and social work assistance. she needs a home safety evaluation since there is concern for dementia and ability to continue caring for herself at home alone safely. she has a follow up appointment with her pcp in about week and will need further neuropsychiatric evaluation for dementia. she was discharged to home in good condition with the assistance of her health care proxy. medications on admission: combipres 0.1 mg, oxazepam 10 mg qhs, colace, prn asa discharge medications: 1. oxazepam 10 mg capsule sig: one (1) capsule po hs (at bedtime). 2. protonix 40 mg tablet, delayed release (e.c.) sig: one (1) tablet, delayed release (e.c.) po twice a day: continue for 8 weeks then take one pill per day. disp:*60 tablet, delayed release (e.c.)(s)* refills:*2* 3. chlorthalidone 15 mg tablet sig: one (1) tablet po once a day. tablet(s) 4. outpatient lab work cbc. 5. clarithromycin 500 mg tablet sig: one (1) tablet po q12h (every 12 hours) for 10 days. disp:*20 tablet(s)* refills:*0* 6. amoxicillin 500 mg capsule sig: one (1) capsule po q12h (every 12 hours) for 10 days. disp:*20 capsule(s)* refills:*0* 7. docusate sodium 100 mg capsule sig: one (1) capsule po twice a day. discharge disposition: home with service facility: vna discharge diagnosis: primary: 1. blood loss anemia. 2. gastro-esophageal ulceration. 3. upper gi bleed. secondary: 1. hypertension. 2. constipation. discharge condition: good. discharge instructions: continue to take all medications as directed. please attend your doctor below. if you experience worsening nausea, vomiting more blood or coffee grounds material, dizziness, or other concerning symptoms, please call your doctor or return immediately to the er. you should avoid aspirin as well as motrin, ibuprofen, advil, naproxen, other "nsaid" medications. followup instructions: 1. provider: , md where: building (/ complex) endoscopy suite phone: date/time: 7:30 2. provider: suite gi rooms where: gi rooms date/time: 7:30 3. follow up with dr. (. you have an appointment scheduled for at 10am. procedure: other endoscopy of small intestine gastric lavage transfusion of packed cells diagnoses: thrombocytopenia, unspecified unspecified essential hypertension acute posthemorrhagic anemia other persistent mental disorders due to conditions classified elsewhere constipation, unspecified chronic or unspecified gastric ulcer with hemorrhage, without mention of obstruction other chest pain helicobacter pylori [h. pylori] 

Answer: The patient is high likely exposed to