Researchers aim to use light -- not electric jolts -- to restore healthy heartbeats

When a beating heart slips into an irregular rhythm, the treatment is electric current from a pacemaker or defibrillator. But the electricity itself can cause pain, tissue damage and other side effects. Now, researchers want to replace jolts with a gentler remedy: light.

Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/A...