Pacemakers are typically placed in children with congenital complete heart block, a rare condition that can lead to sudden death and affects 1 in about 15,000 to 22,000 children. Congenital ...

A trifascicular block is a precursor to complete heart block. While a trifascicular block itself does not require any treatment, high doses of AV blocking agents likely should be avoided.

This is different than “complete heart block," another form of third-degree heart block, where no sinus node activity conducts through the AV node to the ventricles at all. Treatment of high ...

Symptoms of a third degree or complete heart block include feeling faint, being short of breath, extreme tiredness, sometimes with confusion and chest pain. Some people are born with heart block ...