Light-based Techology Rather Than Electric Jolts May in Future Restore Healthy Heartbeats

摘要

When a beating heart slips into an irregular,life-threatening rhythm,the treatment is well known:deliver a burst of electric current from a pacemaker or defibrillator.But because the electricity itself can cause pain,tissue damage and other serious side-effects,a Johns Hopkins-led research team wants to replace these jolts with a kinder,gentler remedy:light.