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: melena, hypotension major surgical or invasive procedure: egd x2 intubated history of present illness: the patient is an 88 year old male with initially admitted with the chief complaint of lethargy. pt has mmp as noted below with chronic diarrhea on immodium. over the last 2 months he has noted increased urgency of stooling but no clear change in amount/freqency or consistancy, no black stool or blood in stool. he did have occasional nausea but no vomiting or abdominal pain. in this same time period he began to feel weak and fell in the bathtub. at that time he initiated outpt pt. over the last week had increasing fatigue and malaise with loa and a 10 lb wt loss. he was found by pt to be hypotensive with a bp 85/60 and lethargy w sob. sent to ed for evaluation. in ed noted to have black guiaic pos stool with dark ng lavage output, no clear coffee grounds, +congestion in the ed on , he was found to have on egd a non-bleeding large duodenal ulcer which was not cauterized at the time. instead, the patient was transfused as needed and his hematocrits were followed serially. on , the patient was transferred to the micu after having large amounts of melanotic stool with a bp of 85/60. there, he underwent repeat egd where his duodenal bulb was cauterized and he was transfused 1 unit prbc although his hct remained stable above 30. on , the patient was transferred back to the floor as he was hemodynamically stable with a stable hematocrit. past medical history: pmh: 1.s/p cva , residual mild intermittent aphasia 2.diverticular bleed while on coumadin for cva 3.post-op respiratory failure->trach->mrsa pneumonia 4.aaa d/x'd 10 years ago 5.hypothyroidism 6.renal failure due to dehydration complicated by heart block 7.left renal ca 8.prostate ca , s/p xrt,prostatectomy 9.duodenal ulcers admission 10.h.pylori admission 11.zoster right shoulder admission 12.depression psh: 1.bilateral inguinal hernia repair 2.turp 3.left nephrectomy ~ 4.prostatectomy, orchiectomy ~ 5.subtotal colectomy and ileostomy 6.tracheostomy , closed 7.peg , removed 8.reversal of ileostomy and small bowel resection by dr. social history: lives with wife. had 9 children, two deceased now. ambulates using walker.quit smoking at age 39 after 40 pack years. occasional use of alcohol. family history: one brother died of ruptured aneurysm. another brother had aaa repair. physical exam: tc=95.9 p=68 bp=127/83 rr=16 97% ra general: nad, aox3 heent: perrl cv: s1 s2 reg, no m/r pulm: minimal bibasilar crackles gi: nabs, soft, nt ext: trace pitting edema w/ chronic venous stasis changes in l leg neuro: non-focal pertinent results: 09:28pm hct-21.7* 04:40pm pt-12.8 ptt-34.5 inr(pt)-1.0 03:41pm wbc-6.3 rbc-3.06* hgb-9.5* hct-28.3* mcv-92 mch-31.0 mchc-33.6 rdw-15.2 hct 6am: 34.2, plt 74 hct 7pm: 35 brief hospital course: he was found by pt to be hypotensive with a bp 85/60 and lethargy w sob. sent to ed for evaluation. in ed noted to have black guiaic pos stool with dark ng lavage output, no clear coffee grounds, +congestion in the ed on , he was found to have on egd a non-bleeding large duodenal ulcer which was not cauterized at the time. instead, the patient was transfused as needed and his hematocrits were followed serially. on , the patient was transferred to the micu after having large amounts of melanotic stool with a bp of 85/60. there, he underwent repeat egd where his duodenal bulb was cauterized and he was transfused 1 unit prbc although his hct remained stable above 30. on , the patient was transferred back to the floor as he was hemodynamically stable with a stable hematocrit. 1. hypotension/ sepsis: meets the septic criteria by lactates/ physiology. found to have positive c.diff +/- urosepsis (>100k e. coli) and infiltrate on cxr. found to have a random cortisol 70s so did not need steroids. was transiently on pressors to maintain map > 65. -tte: mild global lv hk; no effusion 2. respiratory failure: likely secondary to pna - : doing great on psv; rsbi 70, however, cxr without improvement - : bronch'd only small plug in rll. airway looked okay - extubated - re-intubated for respiratory distress; ? recurrent aspiration. per family all hypoxic episodes noted after eating? - currently on levo/vanco - doing well on cpap - by discharge the patient was doing well on nasal canula 4. trombocytopenia: no evidence of hemolysis. held all heparin products transfused to keep platelets > 35 3. arf; fena 0.2%. was likely pre renal. cr trended down with hydration. 4. ugib: large duodenal bulb ulcer --recurrent melenotic stool with hct slowly trending downwards. bicap applied to to clot inorder to achieve hemostasis. kept on sulcrafate and ppi family meeting was held where the family including the wife decided to make the patient . the patient was called out to floor and comfort care was initiated. his tlc and ngt were pulled on . he will be going home with hospice. medications on admission: medications on transfer: neutra-phos 1 pkt po tid fentanyl citrate 25 mcg iv once midazolam hcl 1 mg iv once pantoprazole 40 mg po q12h oxycodone 5 mg po q4-6h:prn tolterodine 2 mg po bid zolpidem tartrate 5 mg po hs:prn acetaminophen 325-650 mg po q4-6h:prn multivitamins 1 cap po daily loperamide hcl 2 mg po qid:prn levothyroxine sodium 100 mcg po daily discharge medications: 1. morphine concentrate 20 mg/ml solution sig: 2-20 mg po q1h as needed for pain. disp:*30 ml* refills:*0* discharge disposition: home with service facility: hospice of the good discharge diagnosis: gi bleed acute renal failure respiratory failure discharge condition: stable discharge instructions: patient is going home with hospice care. followup instructions: will follow up with home hospice procedure: venous catheterization, not elsewhere classified continuous invasive mechanical ventilation for 96 consecutive hours or more parenteral infusion of concentrated nutritional substances other endoscopy of small intestine insertion of endotracheal tube enteral infusion of concentrated nutritional substances other bronchoscopy endoscopic control of gastric or duodenal bleeding transfusion of packed cells diagnoses: pneumonia, organism unspecified acidosis thrombocytopenia, unspecified acute posthemorrhagic anemia unspecified septicemia severe sepsis unspecified acquired hypothyroidism acute respiratory failure septic shock intestinal infection due to clostridium difficile gastric ulcer, unspecified as acute or chronic, without mention of hemorrhage or perforation, without mention of obstruction chronic or unspecified duodenal ulcer with hemorrhage, without mention of obstruction benign neoplasm of stomach 

Answer: The patient is high likely exposed to