Depending on the dominance of the left coronary system, the circumflex coronary ... the posterior descending artery (or posterior interventricular artery) branches off from the RCA and runs ...

The left main coronary artery arises from the left coronary cusp and bifurcates into the left anterior descending (LAD) and the left circumflex ... a left bundle branch block is seen on the ...

The heart muscle needs oxygen-rich blood to do its job. The vessels that feed the heart are called coronary arteries (shown in the diagram right) and they branch off from the body’s main artery, the ...