The thoroughly updated Third Edition of this standard manual covers all diagnostic and therapeutic procedures in current use for adult and pediatric patients. Forty procedures, both endoscopic and nonendoscopic, are described in an easy-to-follow format that enables physicians, residents, medical students, nurses, and technicians to quickly learn why, when, and how to perform the procedures.New topics covered in the Third Edition include laser therapy, ambulatory intraesophageal pH monitoring, endoscopic small bowel biopsy, radiologic/endoscopic biliary stent placement, injection therapy for bleeding gastrointestinal lesions, improved methods for balloon dilatation of strictures, and newer devices for nasogastric intubation. A chapter on drugs used in the GI procedure unit has also been added.