– Essential Sign: Unexplained sores, blisters, or ulcers that surface to the skin and do not mend Ordinarily is usually early indications of gangrene, especially in men and women with diabetic issues. Gangrene often turns the influenced skin a greenish-black coloration. The phrase gangrene isn't related to the color environmentally friendly but https://www.sgvascularctr.com/what-is-a-gangrene/