Effective implementation of tertiary interventions typically involves a multidisciplinary approach. Key steps include: 1. Assessment and Diagnosis: Accurate assessment of the disease and its impact. 2. Development of a Treatment Plan: A comprehensive plan tailored to the individual's needs. 3. Coordination of Care: Collaboration among healthcare providers, including doctors, nurses, therapists, and social workers. 4. Monitoring and Evaluation: Regular follow-up to assess the effectiveness of the interventions and make necessary adjustments.