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Doctor insights on: What Are Signs And Symptoms Of Right Bundle Branch Block

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Dr. Andrew Seibert
97 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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Hoping you can tell me, is right bundle branch block (rbbb) something to really stress over everyday?

Hoping you can tell me, is right bundle branch block (rbbb) something to really stress over everyday?

Not really: Rt bbb is a common ekg finding and it may occur in some medical conditions. But it is also common in some people with normal heart
it occurs in conditionsthat effect the right ventricle or the lungs. If you are otherwise healthy and no other symptoms and your doctor gave you clean chit, than you do not need to stress over it every day. ...Read more

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Would it be possible that a rbbb (right bundle branch block) cause a heart murmur?

Would it be possible that a rbbb (right bundle branch block) cause a heart murmur?

No: A rbbb is a pattern seen in the ECG where the electrical impulse is delay or interrupted as it spread along the heart. Prevalence increase with age. At 80 y/o close to 10% people can have it. Somewhat benign but an evaluation need to be done to r/o heart and lung conditions. Conditions like copd, cad, myocarditis, valvular heart disease, and other structural heart conditions. ...Read more

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Right bundle branch block and Z-pack (Azithromycin) prescribed for infection. Haven't taken yet, any concern for heart issues with RBBB and Azithro?

Right bundle branch block and Z-pack (Azithromycin) prescribed for infection. Haven't taken yet, any concern for heart issues with RBBB and Azithro?

BBB: ECG QT interval prolongation can be a concern with azithromycin, the bundle block adds to the measured QT interval, however the more relevant measure is the JT interval that ECG machines don't record/measure, consult locally with the prescribing physician. Also don't delay antibiosis with out the prescriber being aware. ...Read more

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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. ...Read more

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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. ...Read more

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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. ...Read more

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What are causes of right bundle branch block?

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. ...Read more

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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. ...Read more

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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. ...Read more

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Is partial right bundle branch block affected by food?

Is partial right bundle branch block affected by food?

No Effect: Incomplete right bundle branch block is a benign variant of the electrical conduction through the heart. It is not effected by food in any way. ...Read more

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What occurs when someone has right bundle branch block?

Not much: Bundle branch block happens when there is a delay in conduction across a bundle. The his purkinjie fibers break into lb and rb. When there is a block in the rb, it is called rbbb. In most cases rbbb is of minimal consequence. ...Read more

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What does incomplete right bundle branch block indicate?

May be nothing: Incomplete right bundle branch block indicates a slight delay in the electrical conduction in the right bundle. It is often found on a routine ECG and almost always has no clinical consequences. ...Read more

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Which complications are common of a right bundle branch block?

Usually none: In general, right bundle branch block as opposed to left bundle branch block is benign. If blockage occurs in other parts of the heart conducting system, a pacemaker may be needed, but this rarely occurs with isolated right bundle branch block. ...Read more

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What does it mean to have an incomplete right bundle branch block?

Not much: It is a benign EKG finding related to a slight delay in the conduction system (like electrical wiring) of the heart. It is more common in those with an atrial septal defect (hole between left and right heart) but in general is benign, nothing to worry about. ...Read more

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What does "incomplete right bundle branch block" mean in lay men's terms?

What does "incomplete right bundle branch block" mean in lay men's terms?

Subtle conduction: Abnormality in heart's electrical system. Frequently a benign variant. ...Read more

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What is the difference between complete right bundle branch block and incomplete right bundle branch block?

What is the difference between complete right bundle branch block and incomplete right bundle branch block?

Duration: A complete right bundle branch block has a qrs duration of 120 milliseconds or more, an incomplete rbbb is less than 120 milliseconds. ...Read more

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What are side effects of right bundle branch block?

None by itself: This is a fairly minor change in the electrical pattern of the heart which is harmless by itself but you need to know if it's related to any heart condition. Some people have it from birth with no consequences. If it comes later from a heart condition or even hypertension, it may mean that the wiring system is starting to get tired & it will be checked periodically to make sure it's stable. ...Read more

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Can JRA cause right bundle branch block às an adult?

Can JRA cause right bundle branch block às an adult?

Heart disease & RA: Perhaps. There are many heart disease manifestations seen in rheumatoid diseases. Best to have a conversation and evaluation with your primary provider. A Cardiology consultation would also be a good idea. ...Read more

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Can I overcome the incomoplete right bundle branch block?

No need: You don't need to and cannot reverse rbbb (incomplete or complete). Many normal people are born with it. It causes no symptoms and is not indicative of disease. There is no treatment indicated or necessary. ...Read more

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What are sinus rhythms with incomplete right bundle branch block?

Abnormal ECG: Hello again jmercado --
you have an abnormal ECG -- but this could be an isolated ECG abnormality or it could mean more if you are not feeling well - and you should talk to your doctor about this -. ...Read more

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What are differences between left bundle branch block and right bundle branch block?

The location: Obviously the location of the electrical block in the conduction of electric impulses from the atrium to the ventricles is different. The electrical signals travel to the two ventricles through the left and the right bundle, the left then bifurcates to two fascicles itself. In my experience, the non-pathologic presence of right bundle branch block is more common. ...Read more

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What is the normal range of JT interval in patients with widened QRS due to right bundle branch block? How should JT interval be calculated?

Not possible: This very complicated question may be impossible to answer. The presence of a Right Bundle Branch Block (RBBB) ITSELF is abnormal, so there is no "normal" range for the JT interval. The JTc interval is calculated by QTc - QRS duration when QRS >120 ms. The significance is being debated, but my be related to depolarization time in BBB. JTc > 310ms has progressively higher risk of heart attack &such ...Read more

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I have been told I have a right bundle branch block am I okay still to be working out and doing cardio. I have anxiety and exercise is how I cope????

I have been told I have a right bundle branch block am I okay still to be working out and doing cardio. I have anxiety and exercise is how I cope????

HR: A Published study has good news for you: https://www. Ncbi. Nlm. Nih. Gov/pubmed/6826977
Yes, you can exercise. Do let your provider know your routine. Avoid getting your HR over 180 and consider shorter, less intensely rigorous routines - but if you don't overdo it - it's good for you. Avoid dizziness, exhaustion, out of breath causing choices and hydrate well. Good for you! ...Read more

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What are treatments for incomplete right bundle branch block?

Placebo, 10 mg: Incomplete rbbb is, in the majority of patients, normal variant caused by simple delay of the right bundle conduction relative to the left bundle's conduction. It is benign (safe), and no specific treatment is recommended or required. Certain other conditions can cause a right bundle branch block, but the treatment is generally focused on those conditions, and not the bundle block. ...Read more

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What is the treatment for a right bundle branch block? Is this serious?

What is the treatment for a right bundle branch block? Is this serious?

None necessary: No treatment necessary and it is not serious unless other heart blocks or conditions are present. ...Read more

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Is right bundle branch block reversible with treatment?

No: There is no treatment for rignt bundle branch block. It sometimes is intermittent (comes and goes). Fortunately it is for the most part benign. ...Read more