electrocardiogram result abnormal AE ST segment depression AE JX, LW, YH ST段下降 MedDRA: 10041892 WEB: http://en.wikipedia.org/wiki/ST_depression ST segment depression AE is an electrocardiogram result abnormal AE that refers to a finding on an electrocardiogram. It may be determined by measuring the vertical distance between the patient's trace and the isoelectric line at a location 2-3 millimeters from the QRS complex. It is significant if it is more than 1 mm in V5-V6, or 1.5 mm in AVF or III.