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Risks
By Mayo Clinic staffComplications of electric cardioversion are rare, and doctors can take steps to reduce your risk. Major risks of cardioversion include:
- Dislodged blood clots. Some people who have arrhythmias have blood clots in their hearts. Electric cardioversion can cause these blood clots to move to other parts of your body, which can cause life-threatening complications, such as a stroke or a blood clot travelling to your lungs (pulmonary embolism). Your doctor will check for blood clots in your heart before cardioversion and prescribe blood-thinning medications if blood clots are found.
- Abnormal heart rhythm. In rare cases, some people who undergo cardioversion end up with other heart rhythm problems during or after their procedure. This is a rare complication. If it happens, it usually shows up only minutes after your procedure, so your doctor can give you medications or additional shocks to correct the problem.
- Skin burns. Rarely, some people have minor burns on their skin where their electrodes were placed.
Pregnant women can have cardioversion, but it's recommended that the baby's heartbeat is monitored during the procedure.
References
- Cardioversion. National Heart, Lung and Blood Institute. http://www.nhlbi.nih.gov/health/dci/Diseases/crv/crv_all.html. Accessed March 24, 2009.
- Fuster V, et al. ACC/AHA/ESC 2006 guidelines for the management of patients with atrial fibrillation - Executive summary. Circulation. 2006;114:700.
- Podrid PJ. Cardioversion for specific arrhythmias. http://www.uptodate.com/home/index.html. Accessed March 24, 2009.
- Podrid PJ. Basic principles and technique for cardioversion and defibrillation. http://www.uptodate.com/home/index.html. Accessed March 24, 2009.
