A bundle branch block is defined as a condition in which there is complete or partial blockage along the pathway that transmits electrical impulses to the left or the right side of the bottom chambers of your heart (ventricles) to make your heart beat.
Bundle branch block makes it difficult for your heart to pump enough blood through your circulatory system.
An underlying health problem such as heart disease needs to be treated, as there is no specific treatment available for bundle branch block itself.
Bundle branch block occurs in most people without causing any signs or symptoms.
There will be no symptoms if there are no other problems in your heart.
Symptoms, when they do occur, include:
Feeling as though you are about to faint (presyncope)
When to see a doctor
If you have had fainting spells, consult your doctor to rule out any other serious, underlying causes.
If you have a heart problem or if you have been diagnosed with bundle branch block, ask your doctor about the frequency of your follow-up visits.
You may need to carry a medical alert card with you that identifies that you have bundle branch block, in case you are seen by a doctor who is unfamiliar with your medical history during an emergency.
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