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: percocet / percodan attending: addendum: mr. remained in the hospital due to an elevated inr (up to 4.6). today, is has dropped back to 2.7, and he is ready to be discharged. he will need close following of his inr, and coumadin should be dosed for a target inr of 2.0-2.5 discharge disposition: extended care facility: - md procedure: single internal mammary-coronary artery bypass extracorporeal circulation auxiliary to open heart surgery coronary arteriography using two catheters (aorto)coronary bypass of two coronary arteries angiocardiography of left heart structures left heart cardiac catheterization diagnostic ultrasound of heart implant of pulsation balloon transfusion of packed cells nonoperative removal of heart assist system diagnoses: subendocardial infarction, initial episode of care coronary atherosclerosis of native coronary artery tobacco use disorder unspecified essential hypertension cardiac complications, not elsewhere classified atrial fibrillation benign paroxysmal positional vertigo iatrogenic cerebrovascular infarction or hemorrhage other nonspecific findings on examination of blood 

Answer: The patient is high likely exposed to