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: addendum: see previous addendum: clarification- acute on chronic systolic heart failure w/ ef of 40%. discharge disposition: home with service facility: of md procedure: single internal mammary-coronary artery bypass extracorporeal circulation auxiliary to open heart surgery excision or destruction of other lesion or tissue of heart, open approach (aorto)coronary bypass of one coronary artery annuloplasty excision, destruction, or exclusion of left atrial appendage (laa) diagnoses: other iatrogenic hypotension anemia, unspecified coronary atherosclerosis of native coronary artery mitral valve disorders congestive heart failure, unspecified unspecified essential hypertension diabetes mellitus without mention of complication, type ii or unspecified type, not stated as uncontrolled hyposmolality and/or hyponatremia atrial fibrillation personal history of tobacco use other diseases of lung, not elsewhere classified acute on chronic systolic heart failure other ill-defined heart diseases 

Answer: The patient is high likely exposed to