Feelings of anxiety will probably be felt by most patients who will undergo heart surgery. Therefore, before the operation is carried out, preparation is needed to reduce anxiety so that it remains in optimal condition so that the operation goes smoothly. This article will guide you about the preparation that needs to be done before performing the heart surgery. Heart surgery is a surgical procedure on the heart or large blood vessels, which is performed by a cardiac surgeon. Some conditions that commonly require cardiac surgery include congenital heart disease, valvular heart disease, ischemic heart disease, and heart transplantation. For ischemic heart disease, the usual type of surgery is coronary artery bypass grafting (CABG) or heart bypass surgery. The purpose of doing heart surgery varies, depending on the conditions experienced. There are forms of surgery aimed at repairing or replacing heart valves to expedite blood flow through the heart. In addition, there are those that