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: diltiazem attending: addendum: it should be noted that the patient experienced an acute on chronic exacerbation of her chf. her heart failure should be further classified as systolic heart failure. this condition was further compromised by her atrial fibrillation, especially when her ventricular response rate was rapid. discharge disposition: extended care facility: newbridge on the - md procedure: single internal mammary-coronary artery bypass extracorporeal circulation auxiliary to open heart surgery combined right and left heart cardiac catheterization coronary arteriography using two catheters (aorto)coronary bypass of two coronary arteries fiber-optic bronchoscopy diagnoses: other primary cardiomyopathies coronary atherosclerosis of native coronary artery esophageal reflux unspecified pleural effusion congestive heart failure, unspecified unspecified essential hypertension atrial fibrillation other and unspecified angina pectoris osteoporosis, unspecified other diseases of lung, not elsewhere classified acute on chronic systolic heart failure raynaud's syndrome postsurgical hypothyroidism personal history of malignant neoplasm of thyroid interstitial emphysema 

Answer: The patient is high likely exposed to