Primary problem of the nerve
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Blockage is disease of blood vessels…Coronary Artery
Bundle Branch Block
is an EKG pattern – it may be the result of CAD / but not always.
It can be an enlargement of Left Ventricle - from disease of muscle, valves, blood pressure and so on… Or infiltration from nearby tissues…
Obviously, you don’t have any issues…
Then, it must be a problem of the nerve itself! – Conduction System of the heart.
It is at times a birth defect! – easy to see if we can compare with previous EKGs…
Else, a defect in conduction / there are several reasons like change in electrolytes.. / occasionally a primary disease involving the conduction tissue – usually degenerative, which is most likely in your case…
Generally, the ‘patient or doctor need not do anything
Only a follow up is required…
Wishing all well