The purpose was to describe characteristics of formation and qualification of the nurses of a unit of intensive cares, and to argue its implications in the nursing assistance, how much to the use of technologies. Descriptive-exploratory study, with accomplishment of half-structuralized interview. Citizens: twenty and four operating nurses in cardio-intensive unit. Predominance of women with two years acting in the sector and course of specialization. Great part did not participate of courses for manuscript of technologies, six had not chosen the sector and eleven are inexperienced. It had balance in the time of professional formation. The professional profile must be considered to work in the sectors of intensive cares. Not to take care of this profile can bring risks to the customers
Biomedical technology; Intensive care units; Nursing; Nursing care