A heart block is a disease in the electrical system of the heart.

What is your policy concerning pacing and complete heart block?

If your heart rate problems are due to heart block, a pacemaker may help you live longer.

Do not use these drugs if you have slow heart rate, heart block or shock.

In the presence of complete heart block, fusion or capture beats will never be seen.

The cause of congenital third-degree heart block in many patients is unknown.

This is the most common cause of heart block.

When heart attacks cause heart block, it often goes away on its own.

This can increase the potential for heart block.

It can cause arrhythmias, heart block, even sudden cardiac death.