Los Angeles Echo Society - ECG strips in BBB Bundle branch block is a block of the right or the left bundle branches. The signal is conducted first through the healthy branch
![Treatment of painful left bundle branch block syndrome with cardiac resynchronization therapy or right-ventricular pacing - HeartRhythm Case Reports Treatment of painful left bundle branch block syndrome with cardiac resynchronization therapy or right-ventricular pacing - HeartRhythm Case Reports](https://els-jbs-prod-cdn.jbs.elsevierhealth.com/cms/attachment/d49ac3ec-60cd-42fe-b5ab-2089bc25a93d/gr1_lrg.jpg)
Treatment of painful left bundle branch block syndrome with cardiac resynchronization therapy or right-ventricular pacing - HeartRhythm Case Reports
![Painful left bundle branch block syndrome: Clinical and electrocardiographic features and further directions for evaluation and treatment - Heart Rhythm Painful left bundle branch block syndrome: Clinical and electrocardiographic features and further directions for evaluation and treatment - Heart Rhythm](https://els-jbs-prod-cdn.jbs.elsevierhealth.com/cms/attachment/2079176445/2071250433/gr1.jpg)