Eschar Information | Mount Sinai - New York Eschar is a layer of dead tissue that commonly forms over a wound or burn Eschars can be caused by anything that destroys healthy skin, such as burns, trauma, infections, insect bites, pressure ulcers, and diabetic foot ulcers An escharotic is a substance (such as acids, alkalis, carbon dioxide, or metallic salts) that leads to eschar formation Eschars may require treatment to allow healing
Brown recluse spider Information | Mount Sinai - New York Brown recluse spiders are between 1 and 1 1 2 inches (2 5 to 3 5 centimeters) long They have a dark brown, violin-shaped mark on their upper body and light brown legs Their lower body may be dark brown, tan, yellow, or greenish They also have 3 pairs of eyes, instead of the usual 4 pairs other spiders have The bite of a brown recluse spider is venomous This article is for information only
Gas gangrene Information | Mount Sinai - New York Gas gangrene is a severe form of gangrene (tissue death) caused by the bacterium Clostridium perfringens Patients with underlying vascular diseases are more prone to spontaneously develop gas gangrene, which is rapidly progressive and often fatal