Book excerpt: Complete coverage of the core principles of patient safety Understanding Patient Safety, 2e is the essential text for anyone wishing to learn the key clinical, organizational, and systems issues in patient safety.The book is filled with valuable cases and analyses, as well as up-to-date tables, graphics, references, and tools -- all designed to introduce the patient safety field to medical trainees, and be the go-to book for experienced clinicians and non-clinicians alike. Features NEW chapter on the critically important role of checklists in medical practice NEW case examples throughout Expanded coverage of the role of computers in patient safety and outcomes Expanded coverage of new patient initiatives from the Joint Commission