The esophagus (where reflux or GERD manifests after acid travels in a reverse direction from the stomach) travels in very close proximity to the heart as it goes from your throat to your stomach. Irritation of the esophagus may lead to some minor irritative symptoms of the posterior (back side) of the heart, including palpitations or feelings that are like palpitations. It’s difficult to say whether this is from the esophagus moving in response to the irritation and pressing on the heart or if it is coming from the heart itself.
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