The management of critically ill patients not only involves a bedside clinical assessment, but also a thorough daily review of investigations and monitoring. A detailed knowledge and understanding of data are important parts of training and practice in the day-to-day management of patients in intensive care. This book is designed to play a role in the education of trainees, providing a source of real clinical data, with questions and answers, enabling them to test and develop their interpretation skills. The book consists of 100 data sets composed of a brief history, relevant clinical findings, investigation and monitoring results.