tightness in the chest

Introduction The coronary arteries, popularly known as coronary arteries, supply the heart with oxygen-rich blood. Immediately after the aortic valve, the two main branches of the coronary arteries emerge from the ascending part of the aorta. The left coronary artery mainly supplies the anterior wall of the heart and the right coronary artery supplies the … Coronary arteries – anatomy and diseases

Diseases of the coronary arteries A major cause of coronary artery disease is coronary artery disease (CHD), which leads to an insufficient oxygen supply to the heart muscle tissue. Under physical exertion the oxygen demand of the heart muscle increases. In a healthy person, the coronary arteries would dilate so that more oxygen-rich arterial blood … Diseases of the coronary arteries | Coronary arteries – anatomy and diseases