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.
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.