In the medical world, decisions of staff of Intensive Care Unit, both in a positive and negative way, may affect the patient's environment and family. The health team in charge of the patient care in critical condition should be, able to make decisions important for the future of someone who is between life and death. Despite this moral and professional duty, there is no consensus widely known for decision-making, to provide the staff means to deal this situation, a patient in critical condition. For that reason bioethics education performs vital importance for the training of competent professionals, thinkers open to social responsibility, acting as defenders and promoters of life.