Emergency departments have become the new primary access point into the healthcare system for many. As a result, emergency departments have become notorious for their long wait times and questionable quality of care. By adopting Lean manufacturing concepts, hospitals can turn the emergency department into a valuable service for the community it serves. This book supplies a functional understanding of Lean emergency department processes and quality improvement techniques. It presents numerous examples, case studies, and lessons learned from successful Lean deployments that walk readers through various Lean initiatives.