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.
Causes of Gas Gangrene. Gas gangrene is caused by bacteria called Clostridium perfringens (C. perfringens) . In some cases, it can be caused by Group A Streptococcus. Gas gangrene generally occurs at a recent surgical or injury site. Rarely, it happens spontaneously, without apparent cause.