Creating sustained improvements in patient access and flow: experiences from three Ontario healthcare institutions.

Ensuring that patients receive timely, high-quality healthcare is the highest priority of Ontario's hospitals, physicians and nurses. Given that the emergency department (ED) is often the "front door" to our healthcare system, developing approaches to improve access and flow in the ED is important - made more challenging by rising patient demand and acuity. Long-standing efforts to improve the ED system have outlined promising approaches and pushed access and flow up the priority list.