RT Book, Section A1 Chan, Walter W. A1 Burakoff, Robert A2 Greenberger, Norton J. A2 Blumberg, Richard S. A2 Burakoff, Robert SR Print(0) ID 55957320 T1 Chapter 18. Disorders of Gastric & Small Bowel Motility T2 CURRENT Diagnosis & Treatment: Gastroenterology, Hepatology, & Endoscopy, 2e YR 2012 FD 2012 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-176848-1 LK accessmedicine.mhmedical.com/content.aspx?aid=55957320 RD 2024/03/29 AB The three most common causes of gastroparesis are idiopathic, diabetic, and postsurgical.Chronic intestinal pseudo-obstruction (CIPO) involves intermittent failure of intestinal peristalsis in the small or large intestine, or both.Noninvasive imaging or endoscopy, or both, should be used to rule out mechanical obstruction in patients being worked up for gastroparesis or CIPO.The 4-hour gastric emptying scintigraphy scan using a low-fat, egg-white meal is the best test for gastroparesis.Accelerated gastric emptying and dumping syndrome are often related to postgastric surgery.