Cardioversions are usually scheduled ahead of time and performed in the hospital. Your doctor will talk with you about how to prepare. For example, you’ll need to avoid eating or drinking after midnight before your procedure and may need to avoid certain medications. Your doctor will also talk with you about any questions or concerns you have.
Your doctor may do an echocardiogram before your cardioversion to make sure you don’t have any blood clots in your heart. This takes about 45 minutes.
The cardioversion itself only takes a few seconds, but you’ll have anesthesia to make sure you don’t feel any pain from the shocks. You’ll also be hooked up to several monitoring systems with sticky patches to make sure you’re safe during your procedure.