Right bundle branch block does not cause symptoms. Related symptoms depend on the underlying cause for the right bundle branch block and the severity of underlying heart disease.
Symptoms of heart disease that may occur with right bundle branch block include:
Continue to RBBB Evaluation
- Gonzalez MD. Right bundle-branch block unmasking a myocardial infarction. Clin Cardiol. 2002 May;25(5):245-6. 
- Iacovino JR. Mortality analysis of complete right and left bundle branch block in a selected community population. J Insur Med. 1997;29(2):91-100. 
- Sarubbi B, Li W, Somerville J. QRS width in right bundle branch block. Accuracy and reproducibility of manual measurement. Int J Cardiol. 2000 Aug;75(1):71-4.