Key Points Pattern Recognition: New-onset Right Bundle Branch Block (RBBB) and Left Anterior Fascicular Block (LAFB) occurring together is a high-risk ECG finding. Often associated with proximal Left Anterior Descending…
Key Points Definition: Bifascicular block = conduction block in any two of the three ventricular fascicles: right bundle branch (RBB), left anterior fascicle (LAF), or left posterior fascicle (LPF). OMI…