These are slow heart rhythms, which may arise from disease in the heart's electrical conduction system.
See a picture of the heart's conduction system .
As a result, the sponge has a distinctive electrical conduction system across its body.
The first part of the conduction system is the bundle of His.
Arrhythmias are caused by problems with the heart's electrical conduction system.
Problems can occur anywhere along this conduction system, causing various arrhythmias.
It knocks out the heart's conduction system, and it's happened before.
The conduction system of her heart was shot.
Something in the hospital is affecting these patients' conduction systems.
This is the electrical conduction system of the heart.