Ear Block

Ear Block
- subcutaneous infiltration about 10-20 mls on diamond shaped, 2 points above pinna (infero anterior and infero posterior fashion) and below and slighly behind pinna (supero anterior and supero posterior direction
- nerves: GAL
1. greater auricular (enters behind lower ear)
2. lesser occipital (enters behind mid-ear)
3. auriculotemporal (anterior to ear)

- be careful of superficial temporal artery

First image from aafp.org, next 2 images from emedicine.com

Links: 
1. http://www.aafp.org/afp/2004/0201/p585.html
2. http://emedicine.medscape.com/article/1127490-overview