Book excerpt: In a conversational, easy-to-read style, Avoiding Common Errors in the Emergency Department, 2nd Edition, discusses 365 errors commonly made in the practice of emergency medicine and gives practical, easy-to-remember tips for avoiding these pitfalls. Chapters are brief, approachable, and evidence-based, suitable for reading immediately before the start of a rotation, used for quick reference on call, or read daily over the course of one year for personal assessment and review.