Recognizing left bundle branch block and when it matters May 08, 2018 Overview Show transcript Overview Mayo Clinic electrophysiologists Siva K. Mulpuru, M.D., and Suraj Kapa, M.D., discuss left bundle branch block — an abnormal conduction in the heart frequently seen on electrocardiogram — with Yogesh N. Reddy, M.B.B.S. Treatment for the condition may include implantation of pacing and defibrillator devices. Video content outline Introduction What is left bundle branch block? (0:24) Left bundle branch block on electrocardiogram (3:04) Correcting left bundle branch block (4:44) The future of cardiac resynchronization therapy (9:42) Conclusion (14:56) This video first appeared on theheart.org | Medscape Cardiology. Receive Mayo Clinic news in your inbox. Sign up VID-20434550 Medical Professionals Recognizing Left Bundle Branch Block and When It Matters