"This book takes readers into the smart system domain and provides theoretical and practical knowledge along with case studies in smart healthcare. It uses a blend of interdisciplinary approaches such as IoT, blockchain, augmented reality, and virtual reality to implement cost-effective, real-time, and user-friendly solutions for healthcare problems. A valuable resource for engineers working with systems, the healthcare professionals involved in the design and development of healthcare devices and systems, researcher scholars, multidisciplinary scientists, students, and academics who are wishing to explore the use of virtual and augmented reality in new and existing healthcare systems"--