高热惊厥是指婴幼儿在呼吸道感染或其他感染性疾病早期,体温升高至39℃以上时发生的惊厥,并排除颅内感染及其他导致惊厥的器质性或代谢性疾病。主要表现为突然发生全身或局部肌群的强直性或阵挛性抽搐,双眼凝视、斜视、发直,或眼球上翻,伴意识丧失。高热惊厥是一种症状,伴随其他感染性疾病发生,这些感染性疾病也被称为原发疾病。绝大部分原发疾病与上呼吸道感染有关,且发 Convulsive febrile seizures refer to convulsions that occur in infants and young children at the early stages of respiratory tract infections or other infectious diseases, when body temperature rises above 39 ° C and exclude intracranial infections and other organic or metabolic diseases that cause convulsions. Mainly for the sudden onset of systemic or local muscle rigidity or clonic convulsions, binocular gaze, strabismus, straightening, or eye up, with loss of consciousness. Fever is a symptom of fever, accompanied by other infectious diseases, these infectious diseases are also known as the primary disease. The vast majority of primary disease and upper respiratory tract infection, and hair