This article shows the essential elements in the reflexive, iterative and inductive processes of a researcher that led to the creation of a method and an analytical chart as part of a doctoral thesis in psychology on nurses’ experience of confronting death in a situation of medical assistance in dying. First, the theories that emerged during preparation of the theoretical and methodological frameworks for the research and raised the researcher’s interest in adapting an existential analytical chart for qualitative research, inspired by the philosophy of Karl Jaspers, will be presented. The analysis method and existential analytical chart, considered as a guide to exploring lived experience, along with their concepts and possible use in a qualitative research project using an inductive approach, will be looked at next. Finally, the limits, contributions and recommendations relevant to this type of process will be discussed.