OverviewAs health care and public health continue to evolve, the field of Health Information Systems (HIS) has revealed an overwhelming universe of new, emerging, competing, and conflicting technologies and services. Even seasoned HIS professionals, as well as those new to the field, are often confounded by these myriad systems. Essentials of Health Information Systems and Technology unravels the mysteries of HIS by breaking these technologies down to their component parts, while articulating intricate concepts clearly and carefully in simple, reader-friendly language. The book provides a thorough yet unintimidating introduction to this complex and fascinating field. This book will provide undergraduate and early graduate students with a solid understanding not only of what is needed for a successful healthcare career in HIS, but also of the vast frontier that lies before us as we develop new tools to support improved methods of care, analytics, policy, research, and public health.