The right coronary artery arises from the right coronary cusp and is the dominant coronary vessel in 80% of individuals (dominance refers to the coronary vessel that supplies the posterior ...

Answer: Enhanced parasympathetic tone and ischemia to the AV nodal artery. Also recall that the right coronary artery (RCA), in addition to supplying the right ventricle and inferior walls ...

The coronary artery calcium (CAC) score test measures the calcium buildup in heart arteries through a CT scan, indicating potential heart disease risk. A zero score signifies very low risk ...