Title: Hematoma Block
題目：血腫部位局麻
Author 作者: Brian Corwell

Provides good aesthesia for reduction of fractures. Onset in approximately 5 minutes

可為骨折復位提供滿意的麻醉效果，打概在5分鐘內起效。

Benefits: No need for NPO, simple and easy to perform & can be done without additional personnel (unlike w/ procedural sedation)

益處：不需要禁食，操作簡單容易，不需要有助手（與操作鎮靜不同）

Contraindications: Open fractures, dirty or infected overlying skin

禁忌癥：開放性骨折，覆蓋皮膚不干凈或有感染

1) Identify fracture site with x-ray and palpation

通過X線和觸診找到骨折部位

2) Clean skin w/ Betadine

局部碘酒消毒

3) Insert needle into the hematoma. * Confirm placement by aspirating blood *

將針頭刺入血腫，可通過回吸到血來證實位置的準確。

4) Inject anesthetic (lidocaine 1 or 2%) into the fracture cavity and adjacent periosteum

將麻藥（1%~2%的利多卡因）注入到骨折間隙和骨膜

http://www.youtube.com/watch?v=tjnsdjfwMmY