Stellate Ganglion Block
![arm_pain.png](https://static.mywebsites360.com/d287b9d5868245bd893a3f55c5074b61/i/c4dfdc779bec41f9bc561f22878c093e/1/4SoifmQp45JMgBnHiBhVe/arm_pain.png)
Sometimes when an injury occurs arm or hand the pain remains even after he injury has healed.
![stellate_pic.png](https://static.mywebsites360.com/d287b9d5868245bd893a3f55c5074b61/i/a68f550d57cf4590bddb5a90f5e11f7c/1/4SoifmQp45JMgBnHghiDJ/stellate_pic.png)
This happens because the part of the nervous system develops a “memory” of the pain and continues to tell the brain that the there is still an injury even though the body has already healed.
This condition is called complex regional pain syndrome.