Book excerpt: Optimize diagnostic accuracy in the emergency department with Problem Solving in Radiology: Emergency Radiology, a new addition to the popular Problem Solving in Radiology series. Published in association with the American Society of Emergency Radiology, the medical reference book is designed to help experienced radiologists, residents, or emergency medicine practitioners accurately address problematic conditions and reach the most accurate diagnosis. Consult this title on your favorite e-reader, conduct rapid searches, and adjust font sizes for optimal readability. Access problem-oriented content that helps you quickly and accurately diagnose patients. Focus on the core knowledge needed for successful results with templated, concise chapters containing both traditional and unusual presentations of pathology. Each chapter will include: Typical Presentation; Variants; Mimickers (what looks like this pathology, but isn’t); and Pitfalls (how a diagnosis can be missed and how to avoid it). Stay up to date on today's hot topics in radiology, including radiation concerns when using total body CT for trauma assessment; trauma in the pregnant patient; imaging pediatric craniocerebral trauma; and penetrating trauma to the torso and chest.