推荐回答(5个)
耳朵出血有几种原因,一是外耳道有破裂的地方,二是中耳炎鼓膜穿孔后引起。 耳朵出血常发生于耳鼓膜穿孔或颅底骨折时。鼓膜是一片具有一定韧性的薄膜,位于外耳道深部,是人体声音传导系统的重要组成部分。鼓膜易受直接损伤或间接冲击而破裂。直接损伤多见于掏耳朵或取异物时将镊子、发卡或火柴梗等伸入外耳道过深,以致刺破了鼓膜。间接冲击多见于爆破时的声波击破鼓膜所致;亦可因跳水、拳击耳部或滑冰时突然跌倒而使鼓膜被震破。当头部外伤造成颅底骨折时,也可伤及鼓膜使之破裂。鼓膜一旦破裂,耳内突然感到剧痛,继之耳鸣、耳聋,有少量血从外耳道流出,严重时伴有眩晕、恶心、呕吐等。耳镜检查时,可见外耳道有血迹,鼓膜有不规则的穿孔。疑有鼓膜破裂的病人,应尽快送医院检查治疗。 在人的外耳道外侧软骨表面的皮肤中有耵聍腺,能分泌一种淡黄色黏稠的物质,称为耵聍,俗称“耳屎”或“耳蝉”,它像“哨兵”一样守卫着外耳道的大门.这种物质有的遇空气干燥后呈薄片状,有的如黏稠的油脂.平时“藏”在外耳道内,具有保护外耳道皮肤和粘附外来物质(如灰尘,小飞虫等)的作用. 有些人可能比较爱卫生,觉得掏耳朵舒服,其实耳朵完全可以不掏,因为耳朵本身有一种自洁功能,分泌物会自然地脱落到耳外,建议不要经常掏.(一般半个月左右掏一次) 外耳道皮肤比较娇嫩,与软骨膜连接比较紧密,皮下组织少,血液循环差,掏耳朵时如果用力不当容易引起外耳道损伤,感染,导致外耳道疖肿,发炎,溃烂,甚至造成耳朵疼痛难忍,影响张口和咀嚼. 如果掏耳朵掏出血一般都是毛细血管出血,如果掏到鼓膜造成鼓膜穿孔而出血,会感到非常疼痛,这时一定要防止耳朵进水以防感染,并到医院就医.
耳朵内出血最常见的原因是外耳道损伤,鼓膜损伤等,无痛性损伤是不常见的。
引起耳朵流血的原因与外伤引起的脑脊液耳漏,耳道皮肤破裂出血,乱挖耳道引起的皮肤破裂出血,中耳炎鼓膜穿孔引起的出血,中耳部肿物引起的出血现象有关引起。请立即到较大医院耳科面诊检查耳道及鼓膜情况,查找出血点,明确诊断然后采取针对性治疗,防止症状严重,导致听力下降。另外,一定避免耳道进水,防止诱发感染发炎。
您好:耳朵流血,要分辨不同的原因。首先最常见的是外伤性的耳朵流血,外伤损伤到外耳道,损伤了鼓膜,造成了组织的破损,然后出血。要分辨得出特殊的情况,比如外耳道的血管瘤、中耳的鼓室球瘤以及中耳癌的血管瘤、血管破裂,出血相当剧烈。还有中耳癌,中耳癌的出血也是晚期癌症的破坏血管,出血相对多,根据不同的情况进行手术处理。相对较少的是急慢性的中耳炎、外耳道炎也可以能导致出血。急慢性的中耳炎和外耳道炎,皮肤和黏膜在炎症的作用下破损,产生了糜烂,产生皮肤的损伤,也会导致出血。但出血量是非常少的,而且出血是非持续的,或成间歇性的,出血量非常少。
您好,耳朵出血在临床中也不算太少见,大多数见于有明显诱因或者明确病因。例如头面部的外伤、车祸伤、坠落伤,影响到颅底骨折,甚至中耳骨折,已损伤到外耳道壁引起的耳道流血。此外气压性的损伤,或者称为航空性的中耳炎。比如在没有良好保护措施下的深度潜水,或者是飞机降落速度过快,咽鼓管没有得到及时的调整,鼓膜内外的空气压力引起的中耳气压创伤性的中耳炎,鼓膜穿孔引起的出血。还有没有明显诱因下引起的耳朵出血,多见于病毒感染引起的骨膜炎,有部分病例表现在鼓膜表面的疱疹大泡突然破裂,引起少量的出血。
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