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wireless phone use by children was strictly
precautionary; it was not based on scientific
evidence that any health hazard exists.
11. What about wireless phone interference
with medical equipment?
Radio Frequency (RF) energy from wireless
phones can interact with some electronic
devices. For this reason, the FDA helped
develop a detailed test method to measure
Electro Magnetic Interference (EMI) of
implanted cardiac pacemakers and
defibrillators from wireless telephones.
This test method is now part of a standard
sponsored by the Association for the
Advancement of Medical Instrumentation
(AAMI). The final draft, a joint effort by the
FDA, medical device manufacturers, and
many other groups, was completed in late
2000. This standard will allow manufacturers
to ensure that cardiac pacemakers and
defibrillators are safe from wireless phone
EMI. The FDA has tested hearing aids for
interference from handheld wireless phones
and helped develop a voluntary standard
sponsored by the Institute of Electrical and
Electronic Engineers (IEEE). This standard
specifies test methods and performance
requirements for hearing aids and wireless
phones so that no interference occurs when
a person uses a "compatible"phone and a
"compatible" hearing aid at the same time.
This standard was approved by the IEEE in
2000.
The FDA continues to monitor the use of
wireless phones for possible interactions
with other medical devices. Should harmful
interference be found to occur, the FDA will
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