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The painful, burning sensation is caused by rising stomach acid. It moves from your stomach, where the lining is resistant to its corrosive effects, up into your esophagus, the lining of which is not similarly protected. It can climb all the way from the bottom of the esophagus all the way up into the throat.
Acute causes of heavy chest feeling are. 1  Gastritis or esophagitis: Chest pain involving the lower chest and upper abdomen, and increases on swallowing or after eating food. 2  Myocardial infarction or heart attack: sudden excruciating chest pain with squeezing and heavy feeling in the chest. Pain may radiate to shoulder and jaw. Sweating or breathing difficulty can accompany with it. Fracture of ribs: there is history of trauma in individuals who have heavy chest feeling and pain in the chest.