Abstract

To the Editor: Before using brain criteria, pronouncing death in humans was based on irreversible loss of something vaguely thought of as respiration or circulation or cardiac function. We have always known the loss had to be irreversible. We have also long known that "irreversible" was ambiguous. In his article ("Are DCD Donors Dead?" May-June 2010), Don Marquis captures this ambiguity when he contrasts irreversibility and permanence. Defenders of cardiocirculatory criteria have known that, in some cases, these functions physiologically could be reversed, but won't be because advance directives or surrogate refusal would make intervention illegal and immoral. When intervening is illegal and immoral, we claim the ..