What is microvascular angina (cardiac syndrome X)?
“In 95% of cases, lack of blood flow to the heart is due to blockages in one or more of the three main coronary arteries. Somewhere under 5% of the time, instead of major artery blockages, people have atherosclerosis in very small arteries. “Picture the heart as the trunk of a tree. To get blood to the muscles, the tree roots branch out into smaller and smaller vessels. When these little vessels get diseased, as you exercise, you can’t get enough blood to the heart.
