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PICKING UP THE PACE

March 7, 2006

When Medtronic began selling the first internal pacemakers in 1960, the cardiac devices were little more than metronomes, discharging electrical pulses at a constant rate. These days, implanted electronic devices are interactive marvels that can adroitly adjust their output based on signals picked up from the patient's body. Some can even beam this information automatically to external monitors.
Business Week