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6. Causes of Bundle Branch Block

In general, bundle branch block is a common disorder that many people will never realize they have. Right bundle branch block typically only results from a medical condition that affects the right side of either the heart or the lungs. If a doctor discovers right bundle branch block, they will immediately look for other conditions such as cardiomyopathy, heart attacks, or heart disease. It is possible for right bundle branch block to develop in perfectly healthy individuals. Left bundle branch block is typically a sign of an underlying heart condition.

heart disease chart normaals / Getty Images

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This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.