The fundamental principle and calculation of potential hazardous index method were introduced. 介绍了潜在危害性指数法的基本原理和计算公式。
Among the hazardous incidences, a mechanical ventilator switched off, a syringe pump stopped, and an external pacemaker malfunctioned. 在这些危害性的案例中，有一次呼吸机被关停了，一次灌肠机的泵停止了工作，还有一次外接的起搏装置工作异常。
