Such a means has been traditionally called an “extraordinary” means. A means which was useful and not burdensome was considered “ordinary” means, and obligatory. This distinction means different things to different people, and so has gone out of favor.
2.
This definition was given in the Declaration on Euthanasia of the Sacred Congregation for the Faith (1980) but it is commonly accepted.
3.
The Physician's Responsibility Toward Hopelessly III Patients.WanzerSidney H.310: 15 (April 12, 1984), 955.
