'PAR' in PAR 20 or PAR 50 is an acronym standing for Parabolic Aluminized Reflector. This name refers to the construction of the PAR bulb. The bulb traditionally features a tungsten filament surrounded by a reflector with an aluminum coating (hence aluminized). The reflector intensifies the beam and makes it more efficient.
Toe necrosis; Toe ischemia; Amputation; Dry gangrene Abstract Toe necrosis may have vast different etiologies. These include ischemia, embolus, and others. (1) The most common etiology is ischemia. It is a reduction in blood supply to a viable tissue that can lead to susceptibility to infection and tissue death. Peripheral ischemia, which is rooted in the
When the toes have blue toe syndrome they are cyanotic. Some of these are caused by trauma as well as diseases of the tissue. This cause of blue toe syndrome is usually seen in individuals of a younger age that do not have any history of known diseases. Other blue toe syndromes may develop in persons with diabetes and also in persons who may have had some type of foot surgery.