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: history of present illness: the patient is a 52 year-old female with a history of osteoarthritis scheduled for an elective right total knee on . past medical history: 1. osteoarthritis of knees and hands. 2. history of bronchitis in the past . 3. history of gastroesophageal reflux disease. 4. history of iron deficiency anemia. 5. anxiety. 6. depression. medications: 1. effexor. 2. geodon. 3. topamax. 4. protonix. 5. iron supplements. 6. percocet prn. allergies: penicillin reactions are shortness of breath and swelling. past surgical history: 1. left partial knee replacement in . 2. arthroscopy of the knee . physical examination: blood pressure 105/70. heart rate 88. weight 170. height 5'3". general, female in no acute distress. heart regular rate and rhythm. pulses 1 to 2 out of 6. abdomen soft, nontender. lungs clear. extremities no clubbing, cyanosis or edema. 2+ dorsalis pedis pulses and posterior tibial pulses. mental alert and oriented, calm. pupils are equal, round and reactive to light. neck supple. hospital course: the patient was taken to the operating room on for right total knee replacement by dr. . surgery went without incident. on postoperative check vital signs heart rate 109, blood pressure 109/50, respirations 13, pulse ox 99%, temperature 98.1. the patient is doing well, alert and oriented times three. good pulses. warm extremities times four. normal s1 and s2. clear lungs. abdomen soft, nontender. the patient is status post right total knee replacement. plan cpm 0 to 40 degrees, increase as tolerated 10 to 15 degrees, epidural discontinued as directed by pain team. discontinue foley after epidural out. subcutaneous heparin while epidural in and then change to coumadin. weight bearing is tolerating. physical therapy to see. postoperative day one the patient well no issues. vital signs temperature 98, blood pressure 98/64, heart rate 108, respirations 16, o2 sats 94% on 2 liters. the patient is alert and oriented times three. right lower extremity warm. good capillary refill. good range of motion. hematocrit 31.7. status post total knee replacement right leg. cpm at 40 degrees, continue to increase 10 to 15 degrees as tolerated. discontinue epidural when pain service aggress. wean off o2. physical therapy to see today. continue subcutaneous heparin, change dressing tomorrow postoperative day two. later that evening on the patient was seen for acute hypoxemia mid 70s on room air with increased heart rate at 120 to 130s, decreased blood pressures to the 90s. the patient was awake and denies any chest pain or shortness of breath or any pain. she was anxious. vital signs at the time 99.6, 111, 16, 98/56 and 71 on 2 liters. physical examination at the time in mild distress. lungs were clear bilaterally. heart tachy, regular s1 and s2. right lower extremity neurovascularly intact and unchanged. foley is clear. assessment 52 year-old female status post right total knee with acute hypoxemia and tachycardia postoperative day one. plan check electrocardiogram, x-ray and arterial blood gas, stabilize on nonrebreather 100%, sats to mid 90s. differential diagnosis includes pe, check spiral ct to rule out, discontinue epidural for possible anticoagulation. plan transfer to cicu after ct scan. electrocardiogram sinus tachycardia at 142. normal axis. no st elevation or changes. ct scan was negative for pe. arterial blood gas 7.22, 59, 99, 25. discussed plan with dr. who agreed. chest x-ray bilateral infiltrates, question atelectasis versus pneumonia. temperature 101, start levaquin for possible pneumonia, check laboratories. on observation in intensive care unit. discussed with intensive care unit service. dr. had agreed with plan before, plans to continue her routine total knee replacement postoperative protocol and coumadin for anticoagulation. on postoperative day two the patient is doing well. she has some complaints of pain to her right lower extremity, but under control. afebrile, heart rate 110, pulse ox 99% no room air, blood pressure 127/65, hematocrit 26.7. on examination the patient is in no acute distress. right lower extremity. neurovascular intact sensation throughout. no calf tenderness. dorsalis pedis pulse palpable. dressing in place and dry. again ct negative, continue with cpm, continue with current management and okay to transfer back to orthopedics when okay with intensive care unit team. recheck hematocrit went from 32 to 27 today. will continue to follow. will discontinue drain this evening if less then 15 cc an hour. on postoperative day three the patient is doing much better, dressing changed, drain has been discontinued. incision looks good. the patient is comfortable. hematocrit 26.7, plan to transfuse. continue on coumadin. range of motion at 90 degrees flexion with physical therapy extension this a.m. hematocrit 26.7 the patient was transfused with 2 units this afternoon on . postoperative day number four vital signs 97, blood pressure 110/70, 91, respirations 16, 94% on room air. the patient doing well. physical therapy has seen the patient and is out of bed and has been cleared by physical therapy. recheck on hematocrit is now today 33.3. plan is to clear with physical therapy and discharge home today. discharge instructions on : full weight bearing right lower extremity, continue levaquin antibiotic last dose on , coumadin for a total of six weeks goal inr is 1.5 to 2.0. services, vna services please draw pt/inr twice weekly. have primary care physician adjust dose as needed to meet therapeutic goal inr. final diagnoses: 1. right total knee replacement. 2. pneumonia. recommended follow up: follow up with dr. in two weeks at orthopedic group, phone number is . surgical procedure: right total knee replacement. discharge condition: good. discharge medications: 1. levofloxacin 500 mg one tab po q 24 hours last dose on . 2. percocet 5/325 mg one to two tabs po q 4 to 6 hours as needed for pain. 3. coumadin 5 mg tab one tablet po at bedtime for one day and coumadin 3 mg tablets one tab po at bedtime for five weeks. 3 mg dose to begin on evening of . the patient is aware of diagnosis. the family is also aware of diagnosis. post discharge orders: right knee surgical incision keep dry dressing with ace wrap to the knee. diet is regular. follow up with dr. in two weeks at orthopedic group again at . the patient is to continue physical therapy. , m.d. dictated by: medquist36 procedure: transfusion of packed cells total knee replacement diagnoses: pneumonia, organism unspecified esophageal reflux depressive disorder, not elsewhere classified anxiety state, unspecified iron deficiency anemia, unspecified surgical operation with implant of artificial internal device causing abnormal patient reaction, or later complication,without mention of misadventure at time of operation encounter for therapeutic drug monitoring osteoarthrosis, localized, not specified whether primary or secondary, lower leg 

Answer: The patient is high likely exposed to