When PVD affects only the arteries and not the veins, it is called peripheral arterial disease (PAD). The main forms that PVD may take include blood clots (for example, deep vein thrombosis or DVT), swelling (inflammation), or narrowing and blockage of the blood vessels.Diseases of the arteries may lead to.hen PVD affects only the arteries and not the veins, it is called peripheral arterial disease (PAD). The main forms that PVD may take include blood clots (for example, deep vein thrombosis or DVT), swelling (inflammation), or narrowing and blockage of the blood vessels. Diseases of the arteries may lead to.
Nieve Jennings. Nieve King (nÃ©e Jennings, born 3 August 1987) is a Scottish model and former beauty pageant contestant who won the Miss Scotland title in 2007 and went on to compete at Miss World 2007 in Sanya, China.
Nitrites are the byproduct of the ammonia-eating bacteria, and are also highly toxic to fish. Like the cycling in step one, you must build up enough nitrites to form a second colony of bacteria that will dispose of them as they are produced. These bacteria will in turn create nitrate.