Evaluation of Percutaneous Coronary Intervention for Acute ST-Segment Elevation Myocardial Infarction with Hypertension by Dynamic Electrocardiogram Feature Data

Figure 3

Early ECG manifestations of ST-segment elevation myocardial infarction. Note: chest pain onset for 2–4 hours, sinus rhythm, II, III, aVF lead T-wave base widened, T-wave elevation, and asymmetry. I, aVL, V1–V6, lead mirror ST-segment depression 0.05–0.2 mV.