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 known allergies / adverse drug reactions attending: chief complaint: bilateral knee pain major surgical or invasive procedure: bilateral total knee replacements history of present illness: ms has had progressive bilateral knee pain that has been refractory to conservative treatment. she elects for definitive treatment. this is a 65 year old female with pmh of htn, hypercholesterolemia, bilateral osteoarthritis of the knees, piriformis syndrome, si joint dysfunction, chronic back pain, gerd/reflux who is presenting to the s/p bilateral tka for further monitoring of post-operative hypotension and atrial fibrillation. per anesthesiology, her surgery was long and complicated by extensive blood loss. she received 3.5 liters of ivfs intra-operatively. post-operatively she was extubated without difficulty, but did develop atrial fibrillation with a heart rate between 60s-120s. she was then given an additional 2 liters of ivfs and 2 units of autologous prbcs transfusion. she was also given 10mg of iv metoprolol and spontaneously converted back to sinus rhythm around 8pm. unfortunately, she remained persistently hypotensive as low as the mid 80s systolic despite these interventions. as a result, an epidural that was placed for pain control was capped prior to transferring her to the for further hemodynamic monitoring. . in the icu, the patient was not reporting any pain and was in normal sinus rhythm. she also reports being asymptomatic with her low blood pressures and tachycardia. in particular, she did not experience any palpitations, lightheadedness, dizziness, headache, change in vision, chest pain, or shortness of breath. her main complaint is fatigue. past medical history: hyperlipid, htn, pre-dm2, reflux social history: nc family history: nc physical exam: well appearing, well nourished 65 year old female no acute distress alert and oriented ble: -dressing-c/d/i -incision-c/d/i -+at, fhl, -silt -brisk cap refill -calf-soft, nontender -nvi distally pertinent results: 1. labs on admisison: 08:20pm blood wbc-14.1*# rbc-3.93* hgb-11.2* hct-34.1* mcv-87 mch-28.4 mchc-32.8 rdw-14.1 plt ct-296 03:57am blood pt-14.1* ptt-31.2 inr(pt)-1.2* 08:20pm blood glucose-159* urean-11 creat-0.6 na-140 k-3.9 cl-106 hco3-25 angap-13 08:20pm blood ck(cpk)-65 03:57am blood ck(cpk)-57 08:20pm blood ck-mb-2 ctropnt-<0.01 03:57am blood ck-mb-3 ctropnt-<0.01 03:57am blood mg-1.5* 07:30am blood wbc-8.4 rbc-2.70* hgb-7.5* hct-23.7* mcv-88 mch-27.8 mchc-31.7 rdw-13.5 plt ct-283 07:30am blood wbc-8.4 rbc-2.70* hgb-7.5* hct-23.7* mcv-88 mch-27.8 mchc-31.7 rdw-13.5 plt ct-283 07:35am blood wbc-9.6 rbc-3.04* hgb-8.6* hct-26.5* mcv-87 mch-28.3 mchc-32.4 rdw-13.6 plt ct-290 . 2. labs on discharge: hct 26.5 -> hct 23.7 -> 2u -> hct 28.9. 3. imaging/diagnostics: xr b knees good postop. brief hospital course: the patient was admitted to the orthopaedic surgery service and was taken to the operating room for above described procedure. please see separately dictated operative report for details. the surgery was uncomplicated and the patient tolerated the procedure well. patient received perioperative iv antibiotics. patient was transferred to the given hypotension and atrial fibrillation postoperative course was remarkable for the following: 1. epidural - managed by aps. pulled pod1 2. post op anemia - transfused 1 autologous unit on pod0 in pacu and 1 autologous unit on pod1 then 2u prbcs on pod 3 for hct 23.7. posttranx hct prior to dc was 28.9. otherwise, pain was initially controlled with a epidural and pca followed by a transition to oral pain medications on pod#1. the patient received lovenox for dvt prophylaxis starting on the morning of pod#1. the foley was removed on pod#2 and the patient was voiding independently thereafter. the surgical dressing was changed on pod#2 and the surgical incision was found to be clean and intact without erythema or abnormal drainage. the patient was seen daily by physical therapy. labs were checked throughout the hospital course and repleted accordingly. at the time of discharge the patient was tolerating a regular diet and feeling well. the patient was afebrile with stable vital signs. the patient's hematocrit was acceptable and pain was adequately controlled on an oral regimen. the operative extremity was neurovascularly intact and the wound was benign. the patient's weight-bearing status is weight bearing as tolerated on the operative extremity. ms is discharged to rehab in stable condition. medications on admission: advil, hctz, moexipril, naprosyn, neurontin, omeprazole, vit d, pravachol discharge medications: 1. docusate sodium 100 mg capsule sig: one (1) capsule po bid (2 times a day). disp:*60 capsule(s)* refills:*2* 2. senna 8.6 mg tablet sig: one (1) tablet po bid (2 times a day) as needed for constipation. disp:*50 tablet(s)* refills:*1* 3. aspirin, buffered 325 mg tablet sig: one (1) tablet po twice a day for 3 weeks: after completing all lovenox injections, please take as directed with food. disp:*42 tablet(s)* refills:*0* 4. enoxaparin 60 mg/0.6 ml syringe sig: one (1) syringe subcutaneous once a day for 3 weeks. disp:*21 syringe* refills:*0* 5. acetaminophen 325 mg tablet sig: two (2) tablet po q6h (every 6 hours). 6. docusate sodium 100 mg capsule sig: one (1) capsule po bid (2 times a day). disp:*30 capsule(s)* refills:*2* 7. ferrous sulfate 300 mg (60 mg iron) tablet sig: one (1) tablet po daily (daily). 8. omeprazole 20 mg capsule, delayed release(e.c.) sig: one (1) capsule, delayed release(e.c.) po daily (daily). 9. pravastatin 20 mg tablet sig: four (4) tablet po daily (daily). 10. oxycodone 5 mg tablet sig: 1-3 tablets po q3h (every 3 hours) as needed for pain. disp:*100 tablet(s)* refills:*0* 11. oxycodone 10 mg tablet extended release 12 hr sig: two (2) tablet extended release 12 hr po q12h (every 12 hours) for 2 weeks. disp:*56 tablet extended release 12 hr(s)* refills:*0* 12. lidocaine 5 %(700 mg/patch) adhesive patch, medicated sig: one (1) adhesive patch, medicated topical daily (daily). 13. calcium carbonate 200 mg calcium (500 mg) tablet, chewable sig: one (1) tablet, chewable po tid (3 times a day). 14. cholecalciferol (vitamin d3) 400 unit tablet sig: one (1) tablet po daily (daily). 15. multivitamin tablet sig: one (1) cap po daily (daily). discharge disposition: extended care facility: - discharge diagnosis: bilateral knee osteoarthritis discharge condition: mental status: clear and coherent. level of consciousness: alert and interactive. activity status: ambulatory - requires assistance or aid (walker or cane). discharge instructions: 1. please return to the emergency department or notify your physician if you experience any of the following: severe pain not relieved by medication, increased swelling, decreased sensation, difficulty with movement, fevers greater than 101.5, shaking chills, increasing redness or drainage from the incision site, chest pain, shortness of breath or any other concerns. 2. please follow up with your primary physician regarding this admission and any new medications and refills. 3. resume your home medications unless otherwise instructed. 4. you have been given medications for pain control. please do not drive, operate heavy machinery, or drink alcohol while taking these medications. as your pain decreases, take fewer tablets and increase the time between doses. this medication can cause constipation, so you should drink plenty of water daily and take a stool softener (such as colace) as needed to prevent this side effect. call your surgeons office 3 days before you are out of medication so that it can be refilled. these medications cannot be called into your pharmacy and must be picked up in the clinic or mailed to your house. please allow an extra 2 days if you would like your medication mailed to your home. 5. you may not drive a car until cleared to do so by your surgeon or your primary physician. 6. please keep your wounds clean. you may shower starting five (5) days after surgery, but no tub baths or swimming for at least four (4) weeks. no dressing is needed if wound continues to be non-draining. any stitches or staples that need to be removed will be taken out by the visiting nurse (vna) or rehab facility two weeks after your surgery. 7. please call your surgeon's office to schedule or confirm your follow-up appointment in four (4) weeks. 8. please do not take any non-steroidal anti-inflammatory medications (nsaids such as celebrex, ibuprofen, advil, aleve, motrin, etc). 9. anticoagulation: please continue your lovenox for three (3) weeks to help prevent deep vein thrombosis (blood clots). after completing the lovenox, please take aspirin 325mg twice daily for an additional three weeks. stockings x 6 weeks. 10. wound care: please keep your incision clean and dry. it is okay to shower five days after surgery but no tub baths, swimming, or submerging your incision until after your four (4) week checkup. please place a dry sterile dressing on the wound each day if there is drainage, otherwise leave it open to air. check wound regularly for signs of infection such as redness or thick yellow drainage. staples will be removed by the visiting nurse or rehab facility in two (2) weeks. 11. vna (once at home): home pt/ot, dressing changes as instructed, wound checks, and staple removal at two weeks after surgery. 12. activity: weight bearing as tolerated on the operative extremity. rom as tolerated. no strenuous exercise or heavy lifting until follow up appointment. mobilize frequently. physical therapy: wbat rom mobilize treatments frequency: dry, sterile dressing changes daily as needed for drainage wound checks ice and elevate staple removal and replace with steris on pod 17 followup instructions: provider: , : date/time: 11:40 procedure: insertion of catheter into spinal canal for infusion of therapeutic or palliative substances systemic to pulmonary artery shunt total knee replacement total knee replacement diagnoses: other iatrogenic hypotension other chronic pain anemia, unspecified esophageal reflux pure hypercholesterolemia unspecified essential hypertension cardiac complications, not elsewhere classified atrial fibrillation surgical operation with implant of artificial internal device causing abnormal patient reaction, or later complication,without mention of misadventure at time of operation backache, unspecified osteoarthrosis, localized, not specified whether primary or secondary, lower leg 

Answer: The patient is high likely exposed to