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: addendum: hypernatremia: pt's serum sodium peaked at 155, thought to be due to hypotonic large volume urine loss due to autodiuresis. he was calculated to have a 6.5l free water deficit and was repleted aggressively with 250ml free water flushes via peg tube and 1l d5w. on discharge pt's na had improved to 147 and would expect continued improvement with aggressive repletion of free water deficit. pt will need continued close monitoring of sodium until stabilized urine output in balace with free water flushes. discharge disposition: extended care facility: - md procedure: venous catheterization, not elsewhere classified continuous invasive mechanical ventilation for 96 consecutive hours or more other gastroscopy enteral infusion of concentrated nutritional substances injection of steroid percutaneous [endoscopic] gastrostomy [peg] temporary tracheostomy injection of antibiotic injection of antibiotic bronchoscopy through artificial stoma transfusion of packed cells injection or infusion of oxazolidinone class of antibiotics injection of insulin infusion of drotrecogin alfa (activated) diagnoses: acidosis hyperpotassemia anemia in chronic kidney disease subendocardial infarction, initial episode of care pneumonia due to other gram-negative bacteria acute kidney failure with lesion of tubular necrosis urinary tract infection, site not specified acute posthemorrhagic anemia unspecified protein-calorie malnutrition severe sepsis unspecified acquired hypothyroidism chronic airway obstruction, not elsewhere classified hypertensive chronic kidney disease, unspecified, with chronic kidney disease stage i through stage iv, or unspecified chronic kidney disease, unspecified pulmonary collapse hemorrhage complicating a procedure acute respiratory failure other specified septicemias septic shock other complications due to other vascular device, implant, and graft hyperosmolality and/or hypernatremia streptococcal septicemia surgical or other procedure not carried out because of contraindication acquired absence of kidney diabetes with renal manifestations, type ii or unspecified type, not stated as uncontrolled paranoid type schizophrenia, chronic other tracheostomy complications methicillin resistant pneumonia due to staphylococcus aureus other adrenal hypofunction benign neoplasm of stomach hypothermia not associated with low environmental temperature other specified diseases of the salivary glands 

Answer: The patient is high likely exposed to