This report focuses on nursing interventions for a 42-year-old Indigenous Australian patient, Reggie Simpson, diagnosed with rheumatic heart disease and experiencing decompensated heart failure. The report details the patient's condition, including fatigue, ascites, and abnormal vital signs like low respiratory rate and oxygen saturation. It discusses the pathophysiology of rheumatic heart disease and the importance of assessing vital signs. The core of the report outlines nursing interventions to address abnormal findings, including independent and collaborative strategies. Independent interventions include patient education and promoting self-care, while collaborative interventions involve working with healthcare experts for specialized treatments. The report also addresses ascites, its causes, and related nursing interventions. It emphasizes the clinical reasoning cycle to assess, plan, implement, and evaluate care, linking interventions to research and providing rationales. The report aims to provide a comprehensive understanding of effective nursing care for patients with rheumatic heart failure.