This descriptive, correlational and cross-sectional research study was conducted in registered nurses who work in intensive care unit of Trujillo Belen Hospital. The purpose was to establish the relation between experiences and studies with ethical attitude to end of life critically ill patients. The sample universe was constituted by 9 professional nurses whom there was applied an instrument used in the research “terminal patients and nurses´attitude” in Cordoba, Argentina. The satistical análisis to measure the relation between the variables was realized by means of the test Fisher and report no significant correlation (PEF=643>0.05) between profesional experience and ethical attitude and professional academic training (undergraduate and postgraduateeducation). It is important to point out that in relation of 55.6% of non-positive ethical attitude, the highest percentage (33.4%) ...