In pediatrics advanced life support (PALS) curriculum

(D). The D means Disability which refers to assessment of the child's neurologic function in terms of the level of consciousness and cortical function. It can be assessed quickly by checking the pupilary light respose and using Glasgow Coma scale, so the response D is only partially true. The causes of decreased level of consciousness in children are numerous and include conditions as diverse as respiratory failure with hypoxia or hypercarbia, hypoglycemia, poisonings or drug overdose, trauma, seizures, infection, and shock. All that system is represent the primary assessment of critically ill child