[名词解释] event-related potentials

关于肝性脑病的诊断，下述哪项是错误的() ["A．前驱期易误诊为精神病","B．扑翼样震颤，血氨增高及脑电图异常同时出现有助于诊断","C．扑翼样震颤亦可见于尿毒症","D．血氨不增高，可排除肝性昏迷","E．应与其他引起昏迷的疾病相鉴别"] 数字减影血管造影 Pandy试验 广义肌电图 单纯相 event-related potentials