As calcium concentrations increase, bradyarrhythmias and bundle branch block may develop.

A bundle branch block refers to a defect of the heart's electrical conduction system.

Some people with bundle branch blocks are born with this condition.

An example is a right bundle branch block.

Another class of electrocardiomyopathies associated with Chagas' disease are the bundle branch blocks.

A bundle branch block is usually associated with a change in the Electrocardiogram vector.

The criteria to diagnose a right bundle branch block on the electrocardiogram:

This is known as appropriate T wave discordance with bundle branch block.

An atrial septal defect is one possible cause of a right bundle branch block.

Some people with bundle branch block don't have any symptoms and don't need treatment.