高血压危象也称为高血压脑病,它是动脉血压突然急剧升高所表现的一种综合征,常发生于原发性高血压,也可见于急或慢性肾小球肾炎、嗜铬细胞瘤、妊娠毒血症等时的继发性高血压。本综合征常呈急性或亚急性发作,患者常以剧烈头痛开始,伴有头晕恶心、呕吐、肢体麻木、视力模糊及黑蒙,失语、短暂精神错乱等脑水肿颅内高压的全脑症状;重者可出现癫痫样抽搐、昏迷及多种局灶性神经系统损害症状及体征如单瘫、偏瘫、偏身感觉障碍等,但总的讲,神经系统的症状和体征较弥散且不恒定,当发作终止后 Hypertensive crisis, also known as hypertensive encephalopathy, is a syndrome characterized by a sudden and sharp increase in arterial blood pressure, often occurring in essential hypertension and in acute or chronic glomerulonephritis, pheochromocytoma Tumor, pregnancy toxemia secondary hypertension. The syndrome is often acute or subacute attacks, patients often start with severe headache, accompanied by dizziness, nausea, vomiting, limb numbness, blurred vision and amaurosis, aphasia, transient mental disorders and other symptoms of cerebral edema, intracranial hypertension; Severe epileptic convulsions can occur, coma and a variety of focal nervous system damage symptoms and signs such as single paralysis, hemiplegia, partial sensory dysfunction, but in general, the nervous system symptoms and signs more diffuse and not constant, When the attack is terminated