Often, no treatment is required for bundle branch block.īut it’s still important to have regular checkups. An electrocardiogram (EKG or ECG) reveals bundle branch block when it measures the heart’s electrical impulses. In such cases, bundle branch block is usually first identified by testing for some other reason, such as a routine physical. Symptoms and diagnosisĪ person with bundle branch block may experience no symptoms, especially in the absence of any other problems. This detour means that one ventricle contracts a fraction of a second slower than the other, causing an arrhythmia. This allows both ventricles to contract simultaneously.īut when there’s a “block” in one of the branches, electrical signals have to take a different path through the ventricle. Normally, electrical impulses travel down the right and left branches of the ventricles at the same speed. Three common conduction disorders are: Bundle branch block Explaining the problem Some conduction disorders can cause arrhythmias, or irregular heartbeats. Conduction is how electrical impulses travel through your heart, which causes it to beat. Your heart rhythm is the way your heart beats. National Hypertension Control Initiative.
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