There is septal involvement (lead V2) and a bit laterally, as well (lead V5 and V6). The more examples you see, the better. The anteroseptal STEMI ECG example below is good enough to call a ...

This can be a congenital anomaly or acquired as a complication of a myocardial infarction. Ventricular septal defects are classified as membranous, perimembranous, supracristal (infundibular or ...