Fasting gastrointestinal motility tracings in patient
5. Intestinal hypomotility is observed with weak distal antral,
duodenal, and jejunal contractions suggestive of a myopathic disorder.
A, antrum (1 to 4, proximal to distal); P, pylorus; D2, descending
duodenum; D4, distal duodenum; J, jejunum.