A disembodied voice may be talking to your doctor through his new stethoscope.

But don't worry, he's not losing touch with reality.

The voice belongs to a high-tech system developed by Stamford-based Zargis Medical Corp. and 3M Corp. to detect and analyze heart murmurs, and record, store and transmit body sounds for "telemedicine" consultations far from the originating physician's office.

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