How does a bundle branch block affect my body?

How does a bundle branch block affect my body?

Bundle branches form part of your heart conduction system, which controls your heartbeat. A block affects your body based on where it’s located:

• Right bundle branch block: If you have RBBB, the blockage is in the bundle branch that carries the electrical impulse to your right ventricle. This problem causes your left ventricle to contract before your right ventricle.
• Left bundle branch block: If you have LBBB, the blockage is in the bundle branch that carries the electrical impulse to your left ventricle. This problem causes your right ventricle to contract before your left ventricle, making it harder for your heart to pump blood efficiently. A diagnosis of left bundle branch block often means that you have an underlying heart condition.
• Left and right bundle branch blocks: If you have blockages in both bundle branches, the electrical impulse from the upper to lower chambers of your heart will be completely blocked. This can result in a slower heart rate and other serious health problems.