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

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