Narrow QRS Complex Tachycardia Following Tricuspid Valve Replacement

A mimic of tachycardia‐bradycardia syndrome in a patient with long‐standing persistent atrial fibrillation

“…Junctional ectopic tachycardia is thought to be the result of an injury to the atrioventricular node‐His bundle complex . Therefore, the advanced damage to the atrioventricular junction itself may have played an important role in the development of the rare phenomenon.…”