Angio can be summarized as the imaging of the vessels that feed the heart is called coronary vessels. This is the method used to view these vessels when there is a suspicion of coronary artery disease, which is known as arteriosclerosis, or when the symptoms of the disease appear. The most common symptom indicating the disease is chest pain. Coronary angiography is recommended with two different approaches. If the physician detects complaints (such as the threat of heart attack) in the patient indicating the severity of the condition, he/she directly performs angiography without the need for some tests. Angiography should also be done directly during an acute heart attack. The purpose here is to detect the occluded vessel immediately, beyond the visualization of the heart vessels, and to open the vessels (stenting) to stop the heart attack. Balloon angioplasty and stenting are done together with angiography to stop it within the first two hours after the heart attack begins. In this way, both the risk of death is reduced and the patient is saved from the effects of a long-term heart attack.