Over recent decades, the testing of gastrointestinal (GI) function has changed enormously. New techniques like pH monitoring and manometry have become commonplace around the world. The Practical Guide to Gastrointestinal Function Testing offers step-by-step descriptions of how to perform each procedure, and the guide will enable any GI centre to select the most appropriate tests for a suspected disorder. Four chapters adopt a problem-solving approach to disorders in each major region of the digestive system, and highlight the most appropriate diagnostic procedures. For easy reference, each disease is described under the following consistently applied headings:; * etiology * symptoms * differential diagnosis * diagnostic procedures; Each procedure for testing GI function is described as follows:; * indications * contraindictions * equipment * before the study * during the study * procedure * after the study * interpretation * pitfalls