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Doctor insights on: Can Bundle Branch Block Be Fatal

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Can bundle branch block be fatal?

Can bundle branch block be fatal?

Not usually: Right bundle branch block is pretty benign. Most cases of left bundle branch block are associated with significant heart disease. It is the severity of that heart disease and the type of disease which could lead to a fatal outcome. The bundle branch block itself is not likely to be fatal. If it progressed to complete heart block, then a pacemaker would be needed and conceivably it could be fatal.

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Dr. Austina Cho
96 Doctors shared insights

Bundle Branch Block (Definition)

There are 2 main branches of the heart's electrical system within the ventricles, the right bundle branch and the left bundle branch. Additionally, the left bundle branch has two sub-branches, the antero-superior fascicle and the posteroinferior fascicle. When one or more branches are disrupted, the resultant electrical abnormalities can be ...Read more


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Help please! Could bundle branch block be fatal in women?

Help please! Could bundle branch block be fatal in women?

Bundle branch block: Bundle branch block is an anatomic or physiologic problem in conducting electrical impulses in part of the hearts conduction system. If the impulse is blocked in the left bundle one ECG appearance is present, a different one for right bundle branch block. These can be of minor or major significance depending on the patient's own situation. In and of themselves bundle branch blocks are not fatal.

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What is a bundle branch block?

What is a bundle branch block?

Wiring: The heart is a muscle but how fast it beats is controlled by special cells, sort of like electric wiring. The main wire divides into two, one to the right and one to the left. If part of that wiring becomes abnormal you get a right or left bundle branch block. It results in a typical pattern on the ekg.

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Is rt. Bundle branch block reversible?

RBBB: Rbbb is generally benign. Some of its causes are reversible and some are not.

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What is incomplete bundle branch block?

What is incomplete bundle branch block?

Mild conduction prob: The righty and left ventricles are induced to beat through electrochemical currents transmitted through the right and left bundle branches, respectively. Irbbb means part of the right bundle is not transmitting fully. It is a benign condition of no significant clinical consequence.

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What is an incomplete bundle branch block?

What is an incomplete bundle branch block?

Not true "block": Two bundles of electrical tissue carry each heartbeat from the top part of the heart to the bottom--the "right" and "left" bundle branches. When one of these doesn't conduct at all, or does so much more slowly than the other, it is a complete bundle branch block. When one conducts slightly slower than the other, it is called "incomplete" bundle block. This often is of no clinical consequence.

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What is a right bundle branch block?

What is a right bundle branch block?

Abnormal conduction: The signal to beat is distributed to through the heart by a specialized electrical system. The right bundle is one of the branches of this system. If conduction through the right bundle is slowed or blocked the parts of the heart it serves will contract late, seen as widening of the electrocardiographic qrs-wave. Unless the remainder of the conduction system fails, it usually isn't a problem.

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Is right bundle branch block serious?

Is right bundle branch block serious?

Depends: Right bundle branch block (rbbb) in and of itself is likely not a detrimental issue, however if it happens in the setting of a heart attack, it portends a poor prognosis.

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Is left bundle branch block reversible?

Is left bundle branch block reversible?

Yes: It is sometimes seen intermittently. It can be present on an EKG and not on one done at a later date. At times it occurs when the heart is beating fast but not with slower heart rates.

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Can you treat right bundle branch block?

Can you treat right bundle branch block?

Not necessary: Isolated rbbb does not require treatment. Sometimes, bbbs are a market for other problems: cardiomyopathy, endocarditis, lyme disease. In that case the underlying cause should be treated.

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How do you treat left bundle branch block?

Treatment of LBBB: There is no specific treatment for left bundle branch block. However, treatment is directed at the underlying cause of this conduction disturbance.

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How can left bundle branch block be treated?

It isn't: Treated but factors contributing or causing may need to be...Talk to your physician.

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What are causes of left bundle branch block?

What are causes of left bundle branch block?

Various causes: Left bundle branch block is a pattern seen on an EKG indicating an abnormal or different pathway of the electrical signal that causes the heart muscle to contract. It is most often due to an underlying medical condition such as hypertension, a heart attack, an enlarged heart from any cause and only when serious conditions are excluded is it felt due to the benign aging of the conduction pathway.

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Is left bundle branch block life shortening?

Is left bundle branch block life shortening?

Possibly: As most people with lbbb have heart muscle abnormalities, yes. But about 15% of people with left bundle branch block have structurally normal hearts, so the answer is maybe or sometimes.

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What are causes of right bundle branch block?

Many: It can be congenital. It is often present with right ventricular or right atrial pressure or volume overload such as occurs with atrial or ventricular septal defect. Hypertension causes many cases. Pulmonary artery hypertension, as occurs in advanced lung disease or pulmonary embolism, can cause it. Finally, it's present in many healthy people for no reason at all.

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How does someone prevent bundle branch block?

Difficult: Most bundle branch is a result of the aging process and aging in the conducation system. This not preventable. However, some bbb is result of aquired disease states including coronary disease. So a healthy life-style, blood pressure, cholesterol, sugar control, diet and excercise are good ways to start.

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Will left bundle branch block cells regenerate?

Usually not: Left bundle branch block (lbbb) develops when 2/3 electrical "wires" in the heart stop working. Many patients can have lbbb and no sx. Lbbb usually reflects aging of the heart but can be seen in a variety of pathological heart conditions. Rarely, medicines which affect the speed of electrical conduction in the heart can cause lbbb which reverses. This technically not cellular regeneration.

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What is an incomplete right bundle branch block?

What is an incomplete right bundle branch block?

Slowing: It means there is a mild slowing of the electrical conduction in a certain part of your heart. In most cases it is an incidental finding and not worrisome.

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Can you explain incomplete right bundle branch block?

Can you explain incomplete right bundle branch block?

Mild condabrupt prob: The righty and left ventricles are induced to beat through electrochemical currents transmitted through the right and left bundle branches, respectively. Irbbb means part of the right bundle is not transmitting fully. It is a benign condition of no significant clinical consequence.

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