Introduction: prolongation of the QRS complex due to complete and incomplete blockages of the left branch of the His bundle is an important predisposing factor for systolic heart failure.Cardiac resynchronization therapy that includes the use of an implantable cardiac johnny cash style clothing device can provide clinical benefit for patients suffering from these pathologies.Case Report: the case of a 65 year-old female patient, suffering from Hypertension and Ischemic Cardiophaty, who had a long history of decompensating crisis of her particular diseases over the years.She was admitted complaining of oppressive chest pain, which showed up suddenly.
With the realization of an electrocardiogram a diagnosis of left bundle branch 7gm pravana block and a minor-degree atrioventricular block associated was made.Conclusions: trifascicular blockades can be shown as fatal complications of ischemic cardiophaty.The auricular ventricle or intraventricular blockades have extensive presentation population between the 6th and 8th decades of life.