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Doctor insights on: Can Certain Medications Cause Bundle Branch Block

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Can certain medications cause bundle branch block?

Can certain medications cause bundle branch block?

BBB: Certaiin common blood pressure medications and/or antiarrhythmics in very high (not therapeutic) doses can cause bundle branch blocks. Digoxin is very well known to cause conduction abnormalities when in toxic levels. ...Read more

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Dr. Scott Keith
91 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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Is repetitive drug use the cause of a bundle branch block?

Is repetitive drug use the cause of a bundle branch block?

Depends, of course: Most cases of bundle branch block are due to a focal injury to a key part of the heart's electrical conduction system. Coronary disease, scarring from trauma, infection, or natural processes can cause it. Some illicit drugs, especially those creating coronary spasm (e.g., cocaine, amphetamines) may create those conditions, and frequent exposure (repetitive) only exacerbates the risk. ...Read more

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Can Lexapro (escitalopram) cause a right bundle branch block? If so, will it return to normal after stopping the medication?

Can Lexapro (escitalopram) cause a right bundle branch block? If so, will it return to normal after stopping the medication?

Not likely : Escitalopram does not cause rbbb, but it can cause irregularities of rhythm in rare individuals. If you're having side effects using lexapro, (escitalopram) see your doctor for alternatives or dosage adjustments. ...Read more

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Ar there medications to avoid when pt has a bundle branch block?

Avoid vs minimize: There are several GROUPS of drugs we would not use or use at very low doses with extreme caution, including but not limited to beta blockers, some calcium channel blockers, some anti arrhythmia drugs(actually most of them), among others ...Read more

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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. ...Read more

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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. ...Read more

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Can chemotherapy cause left bundle branch block?

Can chemotherapy cause left bundle branch block?

Sometimes: A left bundle branch block is a finding on an EKG ( the electrical tracing of your heart.) it shows that something has altered the way your heart conducts electrical impulses. Chemotherapy can do it, but so can heart disease. Your doctor should rule out other causes for a left bundle branch block before assuming chemotherapy is the cause. ...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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Does repetitive drug use take a toll on a persons heart sothey develop a bundle branch block?

Does repetitive drug use take a toll on a persons heart sothey develop a bundle branch block?

Maybe: It is possible depending on the type of drug used - a bundle branch block shows a decreased conduction of electrical impulses through the wiring of your heart. ...Read more