The need to be able to track patients medical records along with government legislation like HIPAA is creating a need for new technological processes in healthcare. Healthcare Information Systems provides complete coverage on all aspects of information technology as it relates to the healthcare industry. It focuses on preparing IT professionals for the challenges they will face in the healthcare arena. The text provides up-to-date information on the technologies involved and explains how they interrelate and affect the healthcare arena. This new edition provides expanded coverage of HIPAA, wireless networks and communications, telemedicine, and the increased role of the Web in all facets of healthcare.