This critical resource provides senior-level Emergency Department (ED) managers and healthcare administrators with the essential tools to gain control in the wake of a crisis in ED capacity. It explores the relationships of individual stakeholders and illustrates how information technology can play an important role in improving the performance of the ED. It also demonstrates how to improve financial performance, specialty services, and billing and collections functions. Considering the many unpredictable elements related to the emergency room environment, this text explains how to predict patient volumes, flow, and space needs, using historical data to best plan for the unknown.