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医生,救命!
我的大便里有血!
谢正辉医生
外科专科医生
婆罗洲医药中心 (美里)
2023年 5月 1日
美里美安堂
介绍
• 下消化道出血
• 15% 实际上有大量上消化道出血 1
• 多达 25% 的患者无法明确确定出血源
例子
出血的解剖位置
肛门
直肠
大肠
小肠
盲肠
胆囊 胰腺
胃
肝
食道
口腔
下消化道
上消化道
常见原因
• 上消化道
• 溃疡
• 静脉曲张
• 癌症
• 下消化道
• 感染
• 息肉
• 癌症
• 痔疮
• 受伤
胃溃疡
静脉曲张
胃癌
结肠感染
结肠息肉
结肠癌
痔疮
小心!
痔疮的阶段
新鲜血液
肛门受伤
危险症状
• 大量出血
• 昏睡
• 意外体重减轻
• 腹胀
• 里急后重症
• 窄口径粪便
• 无法通过运动或肠胃胀气
采取什么行动
• 征求医生意见
• 如果患者超过 50 岁,请确保排除癌症
• 如果大量出血,请立即去急诊室
结肠镜筛查
结论
• 直肠排血是一种非常常见的临床症状
• 多种可能的病因
• 只有结肠镜检查,有时还需要胃镜检查才能确诊
• 公众意识很重要,这样可以及早发现危险疾病
谢谢

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