Symptoms of intestinal ischemia can occur on rapidly. When this occurs, the situation known as acute intestinal ischemia. Pneumonic plague can be passed from animals to people, or from human beings to people. Small droplets while in the air can have the microorganisms when anyone or animal coughs or sneezes. https://www.sgvascularctr.com/treatments-for-gangrene-insights-from-a-vascular-surgeon/