MYOCARDIAL BRIDGING IN DISTAL LAD The major coronary arteries may have a segmental intramyocardial course. During systole, this segment of the vessel is compressed, a condition referred to as "myocardial bridging.Most instances of bridging have no clinical significance. However, severe bridging of the major coronary arteries can produce myocardial ischemia, coronary thrombosis, myocardial infarction, and stress cardiomyopathyThe diagnosis of myocardial bridging is made when a section of an epica