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【心电图学习笔记】“Brugada波” 心电图(ECG)什么回事?

  • 2026-02-11 22:04:50
【心电图学习笔记】“Brugada波” 心电图(ECG)什么回事?

Brugada综合征的原因是什么?
  Brugada综合征是一种遗传性离子通道疾病,主要由心脏钠离子通道基因(SCN5A 等)突变引起,导致心肌细胞电活动异常。

2. 心电图特征(Brugada波)  
  在右胸导联(V1-V3)出现以下至少一种特征性改变:  
  Ⅰ型(穹窿型):  
    - ST段呈“穹窿样”抬高(≥2mm),  
    - T波倒置,  
    - 无等电位线(ST段与T波直接相连)。 
   (此为诊断金标准,常伴自发或药物诱发)
  - Ⅱ型(马鞍型):  
    - ST段呈“马鞍形”抬高(≥1mm),  
    - T波直立或双向。  
    (需结合临床或药物试验确诊)


 

3. 高危表现
  - 夜间猝死:多发生于青壮年男性(30-50岁),睡眠中突发室颤(VF)。  
  - 晕厥或抽搐:常为首发症状,易误诊为癫痫。  
  - 家族史:约20%有家族成员猝死史。

4. 诊断标准
  - Ⅰ型心电图表现+ 以下任一:  
    - 室颤;多形性室速病史,  
    - 家族成员猝死(<45岁),  
    - 家族成员有Ⅰ型心电图,  
    - 电生理检查诱发出室颤,  
    - 晕厥或夜间濒死呼吸。

5. 治疗
  - 唯一有效预防:植入 ICD(心脏除颤器)(针对高危患者)。  
  - 药物:奎尼丁可用于减少室颤发作(辅助治疗)。  
  - 避免诱发因素:发热、酒精、钠通道阻滞剂(如普鲁卡因胺)、某些抗抑郁药。
重要注意事项
- 假性正常化:Brugada波可能间歇出现,发热或使用钠通道阻滞剂(如阿义马林)可诱发显现。  
- 易混淆疾病:需排除急性心梗、心包炎、右束支传导阻滞、早复极综合征等。  
- 检查建议:猝死家族史或不明原因晕厥者,应进行心电图+药物激发试验

 紧急建议
若心电图发现 V1-V3导联穹窿型ST段抬高,尤其伴有晕厥或家族猝死史,必须立即就诊心血管专科!

Brugada综合征的室颤发作可能毫无预兆,早期干预可挽救生命。
注: 评估高危或者有发作史的需要植入心脏起搏器ICD,是预防猝死的关键!

心脏起搏器
CRT +ICD程控报告
起搏器除颤记录图

建议携带此心电图报告至具备电生理诊疗能力的医院进一步评估(如基因检测、电生理检查)。

【心脏起搏器程控笔记】几例 ICD 起搏器 ATP 及 Shock 治疗心电图及程控,治疗都合适吗?

心脏起搏器科普

今日留图?

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  136. /yingpanguazai/ssd/ssd1/www/no.67808.cn/vendor/topthink/think-template/src/Template.php ( 46.61 KB )
  137. /yingpanguazai/ssd/ssd1/www/no.67808.cn/vendor/topthink/think-template/src/template/driver/File.php ( 2.41 KB )
  138. /yingpanguazai/ssd/ssd1/www/no.67808.cn/vendor/topthink/think-template/src/template/contract/DriverInterface.php ( 0.86 KB )
  139. /yingpanguazai/ssd/ssd1/www/no.67808.cn/runtime/temp/6df755f970a38e704c5414acbc6e8bcd.php ( 12.06 KB )
  140. /yingpanguazai/ssd/ssd1/www/no.67808.cn/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000425s ] mysql:host=127.0.0.1;port=3306;dbname=no_67808;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000607s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000342s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000337s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000579s ]
  6. SELECT * FROM `set` [ RunTime:0.000302s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000650s ]
  8. SELECT * FROM `article` WHERE `id` = 461599 LIMIT 1 [ RunTime:0.000426s ]
  9. UPDATE `article` SET `lasttime` = 1770950028 WHERE `id` = 461599 [ RunTime:0.008082s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000265s ]
  11. SELECT * FROM `article` WHERE `id` < 461599 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000402s ]
  12. SELECT * FROM `article` WHERE `id` > 461599 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000923s ]
  13. SELECT * FROM `article` WHERE `id` < 461599 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001669s ]
  14. SELECT * FROM `article` WHERE `id` < 461599 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000667s ]
  15. SELECT * FROM `article` WHERE `id` < 461599 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002705s ]
0.088376s