Left Bundle Branch Block | Circulation: Arrhythmia and Electrophysiology
Right bundle branch block | Deranged Physiology
Conduction Defects
Bundle Branch and Fascicular Blocks | Concise Medical Knowledge
Right bundle branch block - Wikipedia
Knowledge Of ECG - Right bundle branch block comes from a problem with the heart's ability to conduct electrical signals. It usually doesn't cause symptoms unless you have some other heart condition.
How serious is bundle branch block? - Harvard Health