Many of the changes occurring within medicine are being catalyzed by the proliferation of professional and social activity with the internet and mobile technology. Understanding how healthcare is being transformed by IT is key to improving medical standards and reducing cost. The synergy between computer technology and medical services has brought with it the promise of essential changes in existing models of care delivery. This book presents the current and future trends in the transformation of healthcare services in the Information Society Era and addresses the priorities within international informatics.