http://www.commonwealthmagazine.org/The-Download/776-Dying-for-a-healthy-end-of-life-conversation.aspx
Every now and then, it is instructive to see what physicians choose for themselves, in end of life health care. See http://www.radiolab.org/story/262588-bitter-end/, and their obvious rejection of continued treatment in situations where the benefits are hard to identify, other than keeping the body alive.
----------from the article-------
A chart of doctor responses from the Precursors Study:
Preferences of physician-participants for treatment given a scenario of irreversible brain injury without terminal illness. Percentage of physicians shown on the vertical axis. For cardiopulmonary resuscitation (CPR), surgery, and invasive diagnostic testing, no choice for a trial of treatment was given. Data from the Johns Hopkins Precursors Study, 1998. Courtesy of Joseph Gallo, "Life-Sustaining Treatments: What Do Physicians Want and Do They Express Their Wishes to Others?"