But acid reflux can also cause heart palpitations and other disturbances, such as chest pain there is one huge caveat, however: if you experience chest pressure or pain and palpitations, it is extremely important that these symptoms be taken seriously and not be automatically attributed to heartburn, since they may also signal a heart attack. Acid reflux causing heart to race. Acid reflux causing heart to race heartburn home remedies (☑ 12 tips) | acid reflux causing heart to race 7 ways to relieve acid reflux causing heart to race acid reflux remedies (