什么是CPR？ 就是心肺復(fù)蘇，什么？還不知道，那你趕緊看看下文吧
Cardiopulmonary resuscitation, or CPR, can save the life of someone whose heart has stopped. The condition is called cardiac arrest. The heart stops pumping blood. The person stops breathing. Without lifesaving measures, the brain starts to die within 4 to 6…