Prevention & Control

Bundle branch block

  • Written by

    Medriva

  • Published on

    16 Jun 2023

Bundle Branch Block: A Common Electrical Heart Disease

Introduction

Bundle branch block (BBB) is a common electrical disease of the heart. It is caused by a malfunction in the electrical pathways in the heart, resulting in an uneven heartbeat and a decreased ability of the heart to function efficiently. It is important to maintain a normal heartbeat for the efficient delivery of oxygen-rich blood to all areas of the body.

Overview

In BBB, the electrical activity of the heart does not flow through the normally connected main electrical pathways, known as the left and right bundle branches. Instead, the electrical activity from the sinoatrial (SA) node, the heart’s natural pacemaker, is blocked and cannot continue in the normal circuit throughout the ventricles. This disruption in the electrical pathway can slow down and even stop the heartbeat. As BBB typically affects the electrical system of the heart, many patients do not experience any physical symptoms, making it difficult to detect.

Types

BBB can be classified into two types: right bundle branch block (RBBB) and left bundle branch block (LBBB). RBBB affects the right side of the heart and can affect both the electrical pathways and the structures of the heart. This type of BBB is typically associated with more severe symptoms and risk factors and can cause an imbalance of oxygen delivery to the organs. LBBB affects the left side of the heart, leading to an abnormal electrical pattern, along with an enlarged left ventricle and decreased cardiac output.

Diagnosis

Doctors use electrocardiograms (ECGs) to diagnose BBB. An ECG is a test that involves using a special device to measure the electrical activity of the heart. The results of this test can help the doctor diagnose the type of BBB the patient has. Other tests, such as echocardiograms and stress tests, may also be used to help diagnose BBB.

Treatment

The treatment for BBB depends on the type and severity of the disease. In some cases, lifestyle changes, such as avoiding or limiting alcohol and cigarettes, can help improve the condition. In more severe cases, a pacemaker or an implantable cardioverter-defibrillator (ICD) may be needed to help restore normal electrical activity in the heart. If a pacemaker is needed, it is usually placed near the collarbone, where it will be able to stimulate the heart’s natural pacemaker.

Conclusion

Bundle branch block (BBB) is a common electrical disease of the heart that can have a dramatic impact on the heart’s ability to function efficiently. While some mild cases can be treated with lifestyle changes, more severe cases may require implantable pacemakers or defibrillators. It is important to diagnose BBB promptly to ensure that treatment is provided in a timely manner.

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Medriva

Medriva, an exceptional storyteller and celebrated journalist, remains unwavering in her commitment to amplify the voices of individuals impacted by vital societal issues. As a passionate climate champion, Aqsa skillfully utilizes her influential platform to stimulate positive change, cultivating awareness and mobilizing collaborative endeavors to confront the worldwide challenges that unite us all.

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