In extermination camps (as well as in many labor camps, where extermination through labor was practiced) the name revier was immediately associated with death in many respects. Death was to be expected immediately upon entrance to a revier: An "insufficiently" sick person could be classified as malingerer, who was avoiding labor.
In extermination and some labor camps, where death through hard labor was common practice, the term revier quickly became synonymous with imminent death. One could expect to die almost immediately upon entering a revier: A "substandard" sick individual might be classified as a malingerer who avoided work.