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: upper gi bleed major surgical or invasive procedure: endoscopy history of present illness: hpi: 72 y/o man with alzheimer's dementia, traumatic brain injury, presents with low hct on routine labs at nursing home. hct 19, down from 30s on . admits to weakness, feeling thirsty. otherwise no specific complaints. denies cp, sob, n/v, abd pains. . in er, afebrile, tachy to 105, bp 120-130's. guaiac + black stool. ng lavage negative. started on iv protonix, piv x 2, gi consulted. plan for scope in am. ce's pending. ekg w/ no acute changes. . past medical history: pmh: dementia depression h/o traumatic brain injury social history: sh: lives at in westrox . family history: unknown physical exam: physical exam: vitals- gen- awake, responsive w/ monosyllabic speech, oriented to person, not place (haymarket square) or time () heent- eomi, op clear pulm- cta b/l. no r/r/w cv- rrr. no m/r/g abd- soft, nt/nd, nabs ext- no c/c/e neuro- resting pill rolling tremor, cog-wheel rigidity. follows simple commands. motor fn intact b/l pertinent results: 08:59pm hct-27.8* 10:07am hct-26.7* 04:47am glucose-88 urea n-21* creat-1.1 sodium-142 potassium-3.8 chloride-110* total co2-25 anion gap-11 04:47am ck(cpk)-306* 04:47am ck-mb-3 ctropnt-<0.01 04:47am calcium-8.3* phosphate-3.5 magnesium-2.1 04:47am wbc-10.4 rbc-2.90* hgb-7.9*# hct-23.8*# mcv-82 mch-27.3 mchc-33.2 rdw-15.1 04:47am plt count-321 04:47am pt-13.4* ptt-27.6 inr(pt)-1.2* 09:15pm glucose-100 urea n-25* creat-1.2 sodium-143 potassium-4.2 chloride-109* total co2-26 anion gap-12 09:15pm alt(sgpt)-23 ast(sgot)-22 ck(cpk)-401* alk phos-77 tot bili-0.1 09:15pm lipase-33 09:15pm ck-mb-3 ctropnt-<0.01 09:15pm wbc-12.7* rbc-2.39* hgb-6.2* hct-18.9* mcv-79* mch-25.8* mchc-32.7 rdw-15.7* 09:15pm hypochrom-3+ anisocyt-normal poikilocy-normal macrocyt-normal microcyt-normal polychrom-2+ 09:15pm plt count-414 09:15pm pt-12.9 ptt-26.3 inr(pt)-1.1 brief hospital course: icu course: 1. ugib: pt was admitted to the icu and was hd stable. pt was transfused 4 units pbrcs and hct stabilized at 27 with no melana since admission. ecg was performed and showed severe esophagitis, medium hiatal hernia, ulcer in the duodenal bulb and in the stomach but no active bleeding. there was some concern of gastric obstuction but the pt tolerated po well without episoides of vomiting. hct remained stable. pt was started on amox/clarithromycin/sucralfate/ppi and h. pylori test was sent and is still pending. pt will continue on abx and have followup egd on . 2. dementia: pt continued on his home meds of remeron and risperdol. he refused his remeron one evening and had some sun-downing behavior which was controlled with soft restraints. pt remained calm and friendly the rest of his admission. discharge back to long term care facility. edg thursday at 9:00am with dr. medications on admission: risperdal 1mg vit e 400u/day remeron 30mg qhs asa 162 mg/day discharge medications: 1. mirtazapine 30 mg tablet sig: one (1) tablet po hs (at bedtime). 2. sucralfate 1 g tablet sig: one (1) tablet po twice a day for 30 days. 3. risperidone 1 mg tablet sig: one (1) tablet po bid (2 times a day). 4. amoxicillin 500 mg capsule sig: two (2) capsule po q12h (every 12 hours) for 14 days: complete on . 5. clarithromycin 250 mg tablet sig: two (2) tablet po bid (2 times a day) for 14 days: complete on . 6. pantoprazole 40 mg tablet, delayed release (e.c.) sig: one (1) tablet, delayed release (e.c.) po twice a day for 8 weeks. discharge disposition: extended care discharge diagnosis: gastric and duodenal uclers discharge condition: good discharge instructions: please follow up with your primary care doctor in days. please follow up with dr. on at 9am for repeat endoscopy. resume your medications from prior to hospital admission except the asa until you see dr. . continue the new medications that were started in the hospital: see medication list followup instructions: follow up with dr. on at 9am. procedure: other endoscopy of small intestine transfusion of packed cells diagnoses: iron deficiency anemia secondary to blood loss (chronic) diaphragmatic hernia without mention of obstruction or gangrene alzheimer's disease dementia in conditions classified elsewhere without behavioral disturbance esophagitis, unspecified chronic gastric ulcer without mention of hemorrhage or perforation, without mention of obstruction chronic or unspecified duodenal ulcer with hemorrhage, with obstruction 

Answer: The patient is high likely exposed to