The syllabus for intensive care medicine is constantly evolving and thus can not to be defined easily. An intensivist needs to learn many complex therapies and investigative modalities which are originally a part of other specialties. This poses a challenge for students who are preparing various examination like EDIC, DNB, DM, IFCCM, IDCCM, CTCM, CICM etc. This book compiles 112 carefully selected objective structural clinical examination (OSCE) related to data interpretation, trouble shooting and diagnosis using various investigative modalities. Answers to the OSCE are explained in a lucid way. It aims to assist students appearing in various critical examinations in a smart and time conserving manner. Since knowledge of research methodology has become an integral part of critical care examination, a whole chapter has been dedicated to the critical appraisal of a published trial. There is a strong focus on providing updated evidences. The book is reviewed and updated every time a new credible evidence emerges. This comprehensive, concise and readable book is indeed a useful companion to anyone who works in intensive care unit.