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 ...

When an anterior myocardial infarction extends to the septal and lateral regions as well, the culprit lesion is usually more proximal in the left anterior descending coronary artery (LAD ...