Cardiac Implantable Electronic Device Replacement
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Upgrading a device when the battery wears out or it malfunctions
Expert Heart & Vascular Care
Getting the care you need starts with seeing one of our heart or vascular specialists.
If you have a pacemaker or implantable cardioverter defibrillator (ICD) to correct an abnormal heart rhythm (arrhythmia), there may come a time when the device needs to be replaced. This may happen if:
- The battery wears out
- The device malfunctions
- You need a device with different features
The doctors in our Electrophysiology Program have access to the latest technologies to care for patients with even the most complex arrhythmias. We’ll work with you to determine if and when your device needs to be replaced.
What to expect when we replace your cardiac implantable electronic device
An IV will be inserted to deliver medication and fluids. You’ll be given a sedative to help you relax, but you will remain awake. We’ll monitor your heart and blood pressure throughout the procedure.
The doctor will make an incision above the device. It will be disconnected from the leads and removed. The leads, which attach the device to the heart and deliver an electric shock when necessary, will be tested. If they’re functional, the new device will be connected to them and placed in the same position as the old device. If the leads need to be replaced, we’ll do that before placing the new device.
The procedure will take about two hours—longer if the leads need to be replaced. You will need to stay at least a few hours for observation or, in some cases, overnight.
Electrophysiology Program
We are leaders in developing and using the latest procedures and technologies to treat heart rhythm disorders, and our cardiac electrophysiology laboratory is one of the most sophisticated in North America.