Burn | Heart

: A condition where symptoms persist despite a normal endoscopy and even when acid suppression therapy fails. It is often linked to esophageal hypersensitivity , where the nerves in the esophagus are overly sensitive to even physiological (normal) levels of acid. Distinguishing Heartburn from Heart Attacks Heartburn or heart attack: When to worry - Mayo Clinic

: Normally, the lower esophageal sphincter (LES) acts as a seal. If this muscle becomes loose or relaxes inappropriately, acid can leak through. HEART BURN

: Patients have typical symptoms but no visible esophageal damage during an endoscopy. : A condition where symptoms persist despite a