Arteria coronaria sinistra

The video provides an in-depth look at the left coronary artery, its anatomy, and its branches. It explains how the heart is supplied with blood through the coronary arteries, focusing on the left coronary artery's origin, path, and branches like the ramus circumflexus and Ramos Interventricularis Anterior. The video also covers the specific areas of the heart supplied by these branches, including the left ventricle, atrium, and sinus node, highlighting the importance of these structures in cardiac function.

Explain the significance of the ramus interventricularis anterior.

What percentage of the population has the left coronary artery supplying the sinus node?