I'm a bit worried because I did a routine ECG and it mentioned Normal Sinus Rhythm with a Right Bundle Branch Block and labeled it as an abnormal ECG. What does that mean? Should I be concerned about the Right Bundle Branch Block? Is it something serious?

Answered by 1 Apollo Doctors

Dr Anshul Maheshwari

General Practitioner

MBBS
5+ Yrs

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I can explain what these findings mean. A Normal Sinus Rhythm means your heart's basic electrical pattern is normal, with impulses starting in the right place (the sinus node). Right Bundle Branch Block (RBBB) is a fairly common condition where there's a delay in the electrical signal as it travels to the right side of your heart. While the ECG is marked as "abnormal" due to the RBBB, this finding can be completely benign in many people, especially if you have no symptoms. However, since I can't see your actual ECG and don't know your medical history, it would be best to discuss these results with your healthcare provider. They can properly interpret the findings in the context of your overall health.

Dr. Anshul Suggests...

Consult a Cardiologist

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Answered 25/07/2025

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Disclaimer: Answers on Apollo 247 are not intended to replace your doctor advice. Always seek help of a professional doctor in case of an medical emergency or ailment.