Abnormal peristalsis Hyperperistalsis true UMLS:C0232474 Stomach churning SNOMEDCT_US:271838002 Increased abdominal peristals HP:0100770 Increased Abdominal Peristals doelkens Excessively active peristalsis (wave of contraction of the tubular organs of the gastrointestinal tract) marked by excessive rapidity of the passage of food through the stomach and intestine. UMLS:C0857071 SNOMEDCT_US:80306002 2011-06-07T11:53:08Z human_phenotype