Unprotected left main coronary artery or left main equivalent (defined as ≥70% stenosis in both the left anterior descending artery before the first septal perforator and in the circumflex ...

minimally invasive intervention during which the septal perforator coronary arteries are identified and alcohol is infused. This causes thrombosis and infarction of the interventricular septum.

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 ...