Barrett’s EsophagusWHAT IS BARRETT’S ESOPHAGUS? Barrett’s esophagus is a permanent change in the lining of the esophagus which is usually causedRead more. What is Heartburn?Read more. Gastroesophageal Reflux DiseaseRead more. IS YOUR HEART ON FIRE OR FAILING?Heartburn or heart attack? Both conditions have the word heart in them, but they are different clinical entities. Heartburn isRead more.