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Right bundle branch block (RBBB) is a type of heart block that occurs when the electrical signal that causes the right ventricle to contract is delayed or blocked. This can cause the right ventricle to contract more slowly than the left ventricle, resulting in an abnormal heart rhythm. RBBB can be caused by a variety of conditions, including coronary artery disease, heart attack, and cardiomyopathy. It can also be caused by certain medications or medical procedures. Symptoms of RBBB may include shortness of breath, fatigue, dizziness, and chest pain. Treatment for RBBB may include medications, pacemakers, or surgery.
All of the following must be considered when interpreting clinical findings and are too extensive to be covered on this site: