FDA issues Safety Communication for Premature Battery Depletion of St. Jude Medical ICD and CRT-D Devices
St. Jude Medical Implantable Cardioverter Defibrillators (ICDs) and Cardiac Resynchronization Therapy Defibrillators (CRT-Ds) are both implanted under the skin in the upper chest area with connecting insulated wires called “leads” that go into the heart devices that provide pacing for slow heart rhythms, and electrical shock or pacing to stop dangerously fast heart rhythms. St.