Define health information technology, health information systems, and health/medical informatics and each's respective impact on healthcare. Next, examine the importance of theOffice of the National Coordinator for Health Information Technology.Afterward, define the meaning and importance ofmeaningful use? What are two advantages and two disadvantages of EHR? What are the barriers to implementing an EHR system? Analyze the impact of technology on health care services, health care outcomes, and cost.