Nor does the DSM-5 place any arbitrary time limit on ordinary grief, in the context of bereavement â another issue widely misrepresented in the general media, and even by some clinicians.
Gas gangrene is commonly caused by infection with the bacterium Clostridium perfringens, which develops in an injury or surgical wound that's depleted of blood supply. The bacterial infection produces toxins that release gas â hence the name gas gangrene â and cause tissue death.
Gangrene is not a contagious disease. It is a condition in which living tissue (e.g., skin, muscle, or bone) begins to decay and die because blood flow (and oxygen) to an area is blocked or because harmful bacteria invade the body's tissues after entering through a wound or sore.Gangrene most commonly affects the feet, toes, hands, and fingers.ry gangrene. Dry gangrene is the most common form of gangrene, and it occurs most frequently in the feet of people with diabetes * . Dry gangrene results from the gradual loss of blood supply to a part of the body.