Magnetic resonance imaging, or MRI, is used to evaluate problems with the brain, neck, and spinal cord, or to help doctors evaluate problems in a person's chest, heart, abdomen, joints, or blood vessels. There are several different types of MRI scans, and they are used depending on the condition that the person needs to be examined, treated, and monitored.

According to statistics from many countries, cardiovascular diseases, especially congenital heart disease, are the cause of high mortality rates. In recent years, many advances in congenital heart disease diagnosis such as cardiac magnetic resonance imaging have helped detect the disease early, thereby providing the opportunity to live and prolonging the life of patients.

Anomalous origin of the left coronary artery from the pulmonary artery (ALCAPA) is a rare but potentially fatal congenital coronary anomaly in neonates and sudden death in adults. According to the development or lack of coronary collateral, ALCAPA syndrome can be classified as neonatal or adult. However, even with compensatory mechanisms in adult patients, there is still an 80-90% rate of sudden death at an average age of 35.