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).
Peripheral artery disease (PAD), also known as peripheral vascular disease (PVD), peripheral artery occlusive disease, and peripheral obliterative arteriopathy, is a narrowing of the arteries other than those that supply the heart or the brain.eripheral artery disease most commonly affects the legs, but other arteries may also be involved.