Doctor insights on:
Why Are Left Bundle Branch Blocks Worse Than Right Bundle Branch Blocks
The cause important: The right bundle is relatively easy to damage, so relatively small injuries can create it. The left bundles (two of them, one easy to injure, one hard to damage) require more damage to interfere with their function, so they are associated with "worse" heart disease with the prognosis inherent in your question. Cause is important, so need to talk to your doctors to sort those out. ...Read moreSee 1 more doctor answer
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 moreSee 1 more doctor answer
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 moreSee 1 more doctor answer
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. ...Read moreSee 1 more doctor answer
Nothing to severe: Left bundle branch block (lbbb) is a pattern on the ECG that indicates that the heart's electrical waves are following an unusual path. It is common in older age, and usually due to scarring of the pathway. It may cause no symptoms and need no therapy. It can lead to marked slowing that needs a pacemaker. A new lbbb can also be a sign of a heart attack. ...Read moreSee 1 more doctor answer
LBBB: LBBB is like pregnancy - You have it or you don't. You can't have a "small LBBB". (you could have an incomplete LBBB). Whether or not it disqualifies you would depend on the reason it's there, so you need a cardiac evaluation - usually consisting of, at least, an echocardiogram and stress test. ...Read more
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 moreSee 1 more doctor answer
Perhaps: Rheumatic fever and rheumatic heart disease refers to what we call a pancarditis. That means that the entire heart is playing in this condition. That's why we take strep infection so seriously. And yes i left bundle branch block can occur but is not the most common occurrence when someone has rheumatic heart disease or rheumatic fever. ...Read more
What can cause a new left bundle branch block in a teen athlete? And can stress and anxiety maybe cause it?
Why does my EKG change every year? Sometimes says right bundle branch block and this time a left bbb. Can they go away on their own? I'm 43 female
No: So it is not common for ECG interpretation to vary that much, that is, one year RBBB and another year LBBB as the etiologies of the two are diffferent. In a young person, a new LBBB, merits an ischemic evaluation and medical followup. A RBBB is more benign. Could your ECGs have been misintepreted or are you sure they are yours? Also, sometimes a BBB can develop at different rates. Go see a cardiol ...Read moreSee 1 more doctor answer
Depends: Depends on what caused the lbbb (congenital or after a heart attack), and how much you are drinking. Alcohol in low doses (1-2 drinks/day in men, 1 drink/day in women and older men) is often considered a tonic for the heart and raises "good cholesterol." in higher doses, it can damage the heart, raise blood pressure and cause heart rhythm problems. Talk to your internist or cardiologist about it. ...Read moreSee 1 more doctor answer
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