This new 4th edition of the textbook provides bold and honest descriptions of the current and evolving state of US healthcare information technology. Emerging technologies and novel practice and business models are changing the delivery and management of healthcare, as innovation and adoption meet new needs and challenges, such as those posed by the recent COVID-19 pandemic. Many facets of these are presented in this volume:• The increasing mutual impact of information technology and healthcare with respect to costs, workforce training and leadership• The changing state of healthcare IT privacy, security, interoperability and data sharing through health information exchange• The rise and growing importance of telehealth/telemedicine in the era of COVID-19• Innovations and trends in the development and deployment of health IT in public health, disease modeling and tracking, and clinical/population health research• Current work in health IT as it is used in patient safety, chronic disease management, critical care, rehabilitation/long-term/home-based patient care and care coordination• "Brave new world" visions of healthcare and health IT, with forward- looking considerations of the impact of artificial intelligence, machine learning on healthcare equity and policyBuilding on the success of previous editions, this 5th edition of Healthcare Information Management Systems: Cases, Strategies, and Solutions provides healthcare professionals insights to new frontiers and to the directions being taken in the technical, organizational, business and management aspects of information technology in the ongoing quest to optimize healthcare quality and cost, and to improve universal health at all levels.