[Bullitt]

She needs to get that thing debrided, a wound vac on it, and hyperbaric treatment if possible. From the sounds of it, without seeing the pictures, it is stage III or IV and she is very likely to lose the foot, if not undergo a whole BKA. That thing is a MRSA, sepsis, or gangrene infection waiting to happen, which could easily kill her. Many of my patients at the private EMS company have such wounds, and they need regular, specific attention in order to ever heal up.