gastric disorder AE heartburn AE 10019326 Heartburn AE is a gastric disorder AE that also known as pyrosis, cardialgia, or acid indigestion. It's a burning sensation in the chest, just behind the breastbone or in the epigastrium, the upper central abdomen. The pain often rises in the chest and may radiate to the neck, throat, or angle of the jaw. WEB: http://en.wikipedia.org/wiki/Heartburn JX, LW, YH 胃灼热（烧心）