This document discusses crisis, crisis intervention, and the role of nurses. It defines crisis as a sudden event that disturbs one's homeostasis and usual coping mechanisms. Crises are personal, acute, and have potential for growth or deterioration. The document outlines phases of crisis and types according to Baldwin. It discusses balancing factors like perception, support, and coping that determine if a problem is resolved or becomes a crisis. Nursing roles include assessment, defining the event, developing an action plan, and helping individuals understand and cope with feelings to attain mastery over the crisis.