Also known as complete heart block, third-degree heart block is the most serious type of heart block. Considered a medical emergency, it can be fatal without prompt treatment. The steady beating of ...

First-degree heart block is the mildest type and often requires no treatment. Third-degree heart block is the most severe and often needs a pacemaker to regulate the heartbeat. Many different causes ...

Lyme disease is a bacterial infection that can sometimes cause Lyme carditis. This condition commonly involves heart block. Symptoms can include lightheadedness, shortness of breath, chest pain, and ...

For many years, heart blockages were considered a problem of old age. However, now, a large number of young adults are struggling with blocked arteries.