This study aimed to determine if a nursing intervention delivered at emergency department discharge could reduce emergency department revisits. The randomized controlled trial was conducted at a tertiary cardiac hospital in Montreal, Quebec. Patients discharged from the emergency department were randomly assigned to either receive the nursing intervention or usual care. The nursing intervention involved providing education on medication management, follow-up care instructions, and symptom monitoring. The results showed that the nursing intervention significantly reduced emergency department revisits within 30 days compared to the usual care group.