This document discusses techniques to maximize efficiency in patient flow in the emergency department. It defines efficiency as the optimal utilization of resources to produce desired outcomes. The goals of improving efficiency are to enhance patient care, satisfaction, and outcomes while reducing costs and stress on staff. Key techniques include expediting the triage process, registering patients simultaneously with initial care, starting IVs and labs early, performing evaluations and tests concurrently rather than sequentially, and flexible staff coordination to speed processes. The overall approach is focused on minimizing time to initial physician exam and making sequential events occur in parallel.