Blackwell's Basics of Medicine Series examines relevant topics in medicine using concepts that pertain to the basic sciences as a starting point. The doctrine on which this series has been formulated dictates that two critical elements should be present in order to acquire the skills required for optimal patient management: a thoughtful approach based on solid pathophysiological knowledge and the ability to apply common sense generously while acquiring basic medical principles. This series uses simple questions followed by short answers as well as case presentations to illustrate the various topics presented. Each book in this series examines a carefully selected topic that is germane to the daily practice of medicine. This book contains everything you need to know about fluid and electrolytes but were afraid (...or didn't know how) to answer