This resource presents more than 500 ideas, concepts, and techniques that can be applied and tailored to unique circumstances. After an introduction to general concepts and approaches, the authors examine vulnerabilities in medical services, including emergency services, healthcare facilities, and infection control. It covers risks in medical devices and product design; human factors such as fatigue and stress; management errors; errors in communication; as well as mistakes in drug delivery, including faulty labels and warnings. The authors also compare and contrast several analytical methods, their interpretation, and their translation into a plan of action.