gangrene is death of body tissue due to a lack of blood flow or a serious bacterial infection, text button on keyboard, concept

amputation antibiotic background blood care cause cell circulation concept death deformity diabetes diabetic diagnosis disease extremities gangrene infection insufficient loss medical medicine nail necrosis necrotizing neuropathy orthopedic oxygen pain patient physiotherapist physiotherapy problem pulse quote risk sensory sick skin supply text treatment vascular word key board keyboard button body tissue flow serious bacterial