1. While nearly all ICUs are capable of providing a spectrum of care, many have developed a focused area of excellence: care of critically ill and injured children in the pediatric ICU (PICU); 尽管几乎所有的ICU都能够提供整套的护理,但很多ICU都有自己的强项:儿科ICU(PICU)危重病及受伤儿童的护理;