''Understanding Clinical Investigations'' is an indispensable handbook providing easily accessible explanations of the common investigations carried out on all body systems. It addresses the relationship between normal physiology and disease processes and the place of clinical investigation within these events. The rationale for investigation is made clear and some guidance for further care is offered. Designed to give quickly referenced guidance on a broad spectrum of clinical investigation and monitoring, it will be helpful to all nursing staff and will assist in giving explaining tests to patients.''Understanding Clinical Investigations'' provides: a unique combination of normal physiology, clinical investigations and pathophysiology, an attractive, user-friendly design, with the aid of colour, ensuring easy access to key information, and an appendix of normal values. In this new edition each investigation has been updated in line in the light of recent guidelines and practice. New material has been added including chromosome studies and blood cholesterol values.