Promotion and relegation rules for the top few levels. For example, here are the promotion and relegation rules for the top few levels of the English football league system: Premier League (level 1, 20 teams): No promotion. Bottom three teams are relegated.
Peripheral vascular disease (PVD), or atherosclerosis of peripheral vessels, is the most common cause of symptomatic stenosis in the human vascular tree. The pathogenetic mechanisms that lead to PVD are similar to those of coronary artery disease (CAD).
Atherosclerotic vascular disease -- commonly called atherosclerosis -- is a disease of the blood vessels in which plaque builds up in the lining of the artery walls.hen atherosclerosis affects the arteries of the heart, it is called coronary heart disease. The buildup of plaque inside the coronary arteries limits the flow of blood to the heart muscle.