`Ethics' is defined as ."..the basis on which people...decide that certain actions are right or wrong and whether one ought to do something or has a right to something"(Rumbold, 1986). In relating `ethics' to nursing care, "Nursing decisions affect people... nurses have the power to good or harm to their patients" (Bandman et al, 2002). In this essay, the author will also identify the most important ethical principles and concepts of Evan's case, will outline the different stages of one's approach to ethical decision-making by utilising the "DECIDE Model for Ethical Decision-Making" founded by Thompson et al (2000) and will make a decision on the best course of action to take as a nurse in this situation.

In "Defining the Problem", the first stage of one's approach to ethical decision-making, the key facts are that Evan is a married man committed to a psychiatric unit who contracted HIV after...