单词：defibrillators
n. an electronic device that administers an electric shock of preset voltage to the heart through the chest wall in an attempt to restore the normal rhythm of the heart during ventricular fibrillation
单词：defibrillators 相关文章
By Carol Pearson Washington 25 July 2007 You may have heard about young athletes, still teenagers, whose hearts stop beating, sometimes while playing sports. In many of these cases, their parents and doctors find out after the fact that these young a
2007年VOA标准英语（七月）
When a heart attack occurs outside of a hospital, death is frequently the outcome, but a new study has shown that rapid intervention using two strategies can increase the chances for survival. Emergency physician Arthur Kellermann, a senior principal
VOA标准英语2010年(三月)
Small Electric Jolts Reset Heart Rhythm in Animals For decades, a powerful electric shock has been a standard way to treat someone whose heart has stopped. But a new study suggests normal heart rhythm can also be restored through a rapid series of sa
VOA标准英语2011年(七月)