User's Manual

8 – US-ENGLISH
Communication equipment: Communication equipment such as
microwave transmitters, linear power amplifiers, or high-power
amateur transmitters may generate enough EMI to interfere with
defibrillator operation if approached too closely.
Home appliances: Home appliances that are in good working order
and properly grounded do not usually produce enough EMI to
interfere with defibrillator operation. There are reports of device
disturbances caused by electric hand tools or electric razors used
directly over the device implant site.
CAUTION: Do not tap sharply on the ICD can after implant, because
the ICD's sensing circuits can detect this as P-waves or R-waves,
and such oversensing could result in inappropriate pacing, inhibition,
or therapy. Normal activities after implant do not result in such
oversensing.
4.1. RISKS RELATED TO MEDICAL ENVIRONMENT
It is advisable to carefully monitor defibrillator operation prior to and
after any medical treatment during which an electrical current from an
external source passes through the patient's body.
Magnetic Resonance Imaging: MRI is strictly contraindicated in
cardiac defibrillator patients.
A radio frequency ablation: A radio frequency ablation procedure in
a patient with a generator may cause device malfunction or damage.
RF ablation risks may be minimized by: 1. Programming Shock
Therapy and ATP to OFF. 2. Avoiding direct contact between the
ablation catheter and the implanted lead or generator. 3. Positioning
the ground, placing it so that the current pathway does not pass
through or near the device, i.e. place the ground plate under the
patient’s buttocks or legs. 4. Having external defibrillation equipment
available.