'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
However, the presence of foot pulses in a person with blue toe nails does not rule out a vascular cause of the syndrome. Pain: The blue-ish discoloration is often accompanied by excruciating pain. This pain may be felt only in the foot, or even in parts above the foot. Skin discoloration: Blue toe syndrome may also present with discoloration of the skin, often in a lace-like pattern. Swelling: There may be swelling of the toes and feet. This is often mild, but can be severe. What Causes Blue Toe Syndrome?