Letters To The Editor
Copyright ©2006 Baishideng Publishing Group Co.
World J Gastroenterol. Jan 7, 2006; 12(1): 157-158
Published online Jan 7, 2006. doi: 10.3748/wjg.v12.i1.157
Figure 1
Figure 1 The positions of electrodes for EGG recording. X, xyphoid process; N, navel; RMCL, right mid-clavicular line; LMCL, left mid-clavicular line; C, central terminal electrode placed on the patient's ventral midline about halfway between the umbilicus and the xyphoid process; A, channel 1 placed on an intersecting point between RMCL and a vertical bisectrix of the line XC; B, channel 2 placed on intersecting point between LMCL and a vertical bisectrix of the line XC; D, channel 3 placed on intersecting point between RMCL and a vertical bisectrix of the line NC; E, channel 4 placed on intersecting point between LMCL and a vertical bisectrix of the line NC.