Copyright ©2006 Baishideng Publishing Group Co.
World J Gastroenterol. Apr 28, 2006; 12(16): 2477-2486
Published online Apr 28, 2006. doi: 10.3748/wjg.v12.i16.2477
Figure 4
Figure 4 Cross-sectional area (CSA) at moderate pain during two distensions of the esophagus in a patient with non-cardiac chest pain. The distensions were performed before and after perfusion of the distal esophagus with acid (illustrated with the stippled line). A clear reduction in the tolerated mechanical stimulus was seen after acid perfusion.