What is the definition or description of: st elevation?

See below: St elevations refers to a finding on an electrocardiogram, wherein the trace in the st segment is abnormally high above the isoelectric line. Ekg st segment elevation is usually attributed to impending infarction, but can also be due to pericarditis or vasospastic (variant) angina and early repolarization. In some healthy young adults, a form of st elevation can be normal.