This document summarizes a presentation on quality requirements engineering for medical systems. It discusses the challenges of developing safety and security critical medical devices. It provides an overview of quality requirements engineering and examples of how it was applied to a large medical device project at Siemens Healthcare involving thousands of requirements and hundreds of developers. The presentation outlines issues addressed through solutions like a feature model, forced ranking, architecture mapping, and a quality tree. It discusses positive results like improved reliability and reduced review efforts.