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: ms. was hyponatremic postop. her sodium was 130. electrolytes were corrected. discharge disposition: home with service facility: vna md procedure: extracorporeal circulation auxiliary to open heart surgery coronary arteriography using two catheters open and other replacement of aortic valve with tissue graft right heart cardiac catheterization diagnoses: other iatrogenic hypotension unspecified essential hypertension hyposmolality and/or hyponatremia atrial fibrillation aortic valve disorders other and unspecified hyperlipidemia personal history of other malignant neoplasm of skin osteoporosis, unspecified macular degeneration (senile), unspecified surgical operation with implant of artificial internal device causing abnormal patient reaction, or later complication,without mention of misadventure at time of operation 

Answer: The patient is high likely exposed to