Equitable resource allocation in the intensive care unit: a descriptive ethical case.

A patient with respiratory failure due to undiagnosed tuberculosis in the presence of HIV infection presents to the ICU in a foreign country. This raises many ethical questions, quite apart from the medical management issues raised by the patient's serious condition. Six of these ethical questions have been presented to leading physicians and an ethicist, from a range of national, cultural and religious backgrounds, for their comment.