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: per id recommendations cefazolin was increased to 2 gm iv q 8 hrs. discharge disposition: home with service facility: vna md procedure: reopening of recent thoracotomy site diagnoses: hyperpotassemia pure hypercholesterolemia other postoperative infection unspecified essential hypertension acute kidney failure, unspecified hyposmolality and/or hyponatremia hypotension, unspecified methicillin susceptible staphylococcus aureus in conditions classified elsewhere and of unspecified site surgical operation with implant of artificial internal device causing abnormal patient reaction, or later complication,without mention of misadventure at time of operation heart valve replaced by transplant mediastinitis acute pericarditis, unspecified 

Answer: The patient is high likely exposed to