As a medical professional with expertise in cardiology, I can provide you with an overview of the risks associated with cardioversion, which is a procedure used to restore the normal rhythm of the heart in patients with certain types of abnormal heart rhythms, known as arrhythmias. Risks of Cardioversion: 1. Vascular Injury: The most common risk is injury to the blood vessels, particularly if the procedure is done using a transvenous approach where a catheter is inserted into the heart. 2. Bruising or Bleeding: At the site where the electrical shock is delivered, there can be some bleeding or bruising. 3. Infection: As with any procedure that involves the insertion of a catheter or other device, there is a risk of infection. 4. Pulmonary Edema: This is a buildup of fluid in the lungs that can occur if the heart is not pumping efficiently after the procedure. 5. Stroke: There is a risk of stroke, particularly if there is a clot in the heart that could be dislodged during the procedure. 6. Cardiac Tamponade: This is a rare but serious complication where fluid accumulates around the heart and can compress it, which is more likely with transvenous cardioversion. 7. Recurrence of Arrhythmia: The abnormal heart rhythm may return after the procedure. 8. Prolonged QT Syndrome: This is a heart rhythm condition that can cause serious irregular heart rhythms and can be triggered by certain medications used in conjunction with cardioversion. 9. Systemic Embolization: There is a risk that a clot could break off and travel to another part of the body, causing an embolism. 10. Transient Heart Block: A temporary interruption in the electrical signals that coordinate heartbeats can occur. 11. Psychological Stress: The procedure can be anxiety-provoking for some patients. 12. Anesthesia Complications: If general anesthesia is used, there are risks associated with the anesthetic itself. It's important to note that while these risks exist, the procedure is generally considered safe when performed by experienced healthcare professionals. The benefits of restoring normal heart rhythm often outweigh the risks, but each patient's situation is unique, and the decision to proceed with cardioversion should be made after a thorough discussion with a healthcare provider. read more >>

Major risks of cardioversion include:Dislodged blood clots. Some people who have irregular heartbeats have blood clots in their hearts. ... Abnormal heart rhythm. In rare cases, some people who undergo cardioversion end up with other heart rhythm problems during or after their procedure. ... Skin burns.read more >>