The Model for Improvement, developed by Associates in Process Improvement, is a prominent quality improvement approach in healthcare. The process establishes an aim and decides how to measure changes and what changes will achieve the aim. The model also tests changes to determine improvement through a Plan-Do-Study-Act (PDSA) cycle (IHI, n.d.). This article describes this approach, with one hospital’s experience using PDSA to improve an obstetric hemorrhage team response. H