This book provides a comprehensive state-of-the-art overview on the established knowledge in the field of gastroesophageal reflux disease (GERD) as well as a current insight into new algorithms involving new diagnostic tools and new endoscopic and surgical techniques. The integration of these new findings in updated therapeutic decision making is demonstrated. The book reviews the latest literature on new diagnostic findings to better discriminate between different benign disorders of the esophagus and stomach. It describes the decision making to establish indications for the variety of established and new therapeutic options in the management of the disease. It also describes in detail new therapeutic techniques, which provides excellent back-up information for every clinician in daily practice.