Int J Cardiol 2021 12 27;345:1-6. Epub 2021 Oct 27.
Department of Cardiovascular Center, Jilin University First Hospital, China. Electronic address:
Background: QRS distortion (G3I) and frontal QRS-T angle (fQRS-T angle) are both electrocardiographic (ECG) signs of ongoing ischemia and depolarization-repolarization heterogeneity, which always occur in patients with ST-segment elevation acute myocardial infarction (STEMI).
Methods: We retrospectively collected 592 STEMI patients who underwent coronary angiography and follow-up for 42 months. 1. Read More