The obstacle that circulates as a result of the blood inside anoxic, head, toxic reach calorific wait for the functional as a result that can affect cerebral cell to appear the symptom with neurological even change of convulsions, consciousness.

• 由于缺氧、脑内血液循环的障碍、中毒及发热等可影响脑细胞的功能以致出现惊厥、神志改变甚至神经系统的症状。