2nd October 2019

medicalnewstoday
14

Is a bundle branch block serious?

Damage to one of the branch bundles can cause uncoordinated ventricular contractions, and an abnormal heart beat can result. A blocked signal on the right side of the heart is not usually serious, but a block on the left side can indicate a higher risk of coronary artery disease, or some other heart problem.

Besides, what causes a bundle branch block?

Causes. An atrial septal defect is one possible cause of a right bundle branch block. In addition, a right bundle branch block may also result from Brugada syndrome, right ventricular hypertrophy, pulmonary embolism, ischaemic heart disease, rheumatic heart disease, myocarditis, cardiomyopathy, or hypertension.

Can left bundle branch block cause heart attack?

Left bundle branch block can reflect damage to the left ventricle caused by high blood pressure, a heart attack, a failing aortic valve, coronary artery disease, heart failure, or other cardiac conditions. If a bundle branch block is causing symptoms, then the problem may be severe enough to require a pacemaker.

What does left bundle branch block mean?

Left bundle branch block (LBBB) is a cardiac conduction abnormality seen on the electrocardiogram (ECG). In this condition, activation of the left ventricle of the heart is delayed, which causes the left ventricle to contract later than the right ventricle.
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