Heart block may be caused by:
Side effects of medicines. Heart block can be a side effect of digitalis, beta-blockers, calcium channel blockers, and other medicines. A heart attack that damages the electrical system in the heart. Heart diseases, such as heart valve disease and cardiac sarcoidosis. Some infections, such as Lyme disease. Heart surgery.
You may have heart block because you were born with it. You are more at risk for this if:
You have a heart defect. Your mother has an autoimmune disease, such as lupus.
What causes Second degree AV block?
Heart block may be caused by:
Side effects of medicines. Heart block can be a side effect of digitalis, beta-blockers, calcium channel blockers, and other medicines. A heart attack that damages the electrical system in the heart. Heart diseases, such as heart valve disease and cardiac sarcoidosis. Some infections, such as {{ORGANIZATION}} disease. Heart surgery.
You may have heart block because you were born with it. You are more at risk for this if:
You have a heart defect. Your mother has an autoimmune disease, such as lupus.