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Objective To investigate the gastric electrical activity changes in gastroesophageal reflux disease(GERD). 目的探討胃食管反流病（GERD）的胃電活動變化。
Method Using the surface electrode and appliance of EGEG 2D2 to record the gastric electrical activity from the surface of the abdomen. 方法采用皮膚表面電極，從腹壁體表用EGEG-2 D2型胃電圖儀記錄胃電。
The result suggest that the central noradrenergic inhibitory mechanism is involved in the regulation of gastric electrical activity and gastric motility. 本文結果提示：灰翼區(qū)腎上腺素能神經參與由刺激藍斑核區(qū)引起的胃電和胃運動的抑制機制。