Lack of blood and oxygen Induce the fatal process Affecting all cells Watch its terminal progress Mechanistic injuries Or chemical measures Cause the cells to swell Then burst from the pressure Pale looking skin Turning violet and blistered Detrimental to health The pain is persistent Necrotized Skin Necrotized Skin Breakdown within Necrotized Skin Death of living cells Dying one by one Cannot be stopped Once it’s begun Skin discoloration And fluid collection The unbearable odor Of the necrotized section