Causes of right bundle branch block pattern in ECG

Causes of right bundle branch block pattern in ECG

Causes of right bundle branch block pattern in ECG include:

1. Atrial septal defect
2. Ebstein’s anomaly of tricuspid valve
3. Occasionally as a normal variant
4. Injury to right bundle during cardiac catheterisation
5. Left ventricular pacing
6. Post operative, especially following correction of Tetralogy of Fallot