What does it mean to have an ECG ST-T change today?

ECG shows ST-T changes usually suggest myocarditis, coronary heart disease and other diseases, if the body accompanied by chest distress, tachycardia, precordial pain and other manifestations need to be considered as the cause of myocardial ischemia. It is recommended to further do cardiac ultrasound, coronary angiography and other examinations to determine the cause.