疼痛 (Pain)仅限辉瑞内部培训使用目录1 12 23 34 4疼痛的定义及相关概念疼痛的分类伤害感受性疼痛的发生机制疼痛的治疗5 5疼痛的评估仅限辉瑞内部培训使用 “ 疼痛是组织损伤或潜在组织损伤所引起的不愉快感觉和情感体验。” -1979 年,世界卫生组织(WHO) Pain “An unpleasant sensory and emotional experience associated with actual or potential tissue damage, or described in terms of such damage. ” -1994 ,国际疼痛学会(IASP )1-1 疼痛的定义仅限辉瑞内部培训使用1-2 疼痛的相关概念v 痛觉超敏(hyperalgesia ) An increased response to a stimulus which is normally painful. 对正常情况下可引起痛觉的刺激产生了增强的痛觉感受。v 异常痛觉(allodynia ) Pain due to a stimulus which does not no