A narrowed artery because of buildup of fatty deposits, such as cholesterol. This affliction known as atherosclerosis. Blood vessel conditions that cause irritation, referred to as inflammation, of veins and arteries also may perhaps increase risk. This inflammation is called vasculitis. Fluid accumulation within the lungs (pleural effusion). Pneumonia could https://www.sgvascularctr.com/gangrene-diagnosis-and-treatment/