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August 18, 2010

Laser Discovery Could Lead to New Pacemakers

Scientists have found that pulsed light from a laser can be used to pace contractions in an avian embryonic heart, a discovery that could lead to a new generation of pacemakers. Pulsed light creates a temperature gradient, spurring an electric impulse and causing the heart to contract, a

By cms admin

Scientists have found that pulsed light from a laser can be used to pace contractions in an avian embryonic heart, a discovery that could lead to a new generation of pacemakers.

Pulsed light creates a temperature gradient, spurring an electric impulse and causing the heart to contract, according to scientists at Case Western Reserve University and Vanderbilt University.

They believe that the technology could be used to understand how environmental changes alter an embryo’s heartbeat and result in congenital defects.

It could also be used to develop a new generation of non-invasive pacemakers for use in adults, babies or even in vitro.

Andrew Rollins, professor of biomedical engineering at Case Western Reserve, said that the technology has exciting implications, especially if it can be extended into the adult heart.

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