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Ear Nerve Block
Aka: Ear Nerve Block, Field Nerve Block of Ear, Ear Field Block, Auricle Anesthesia
- See Also
- Local Skin Anesthesia
- Lip Field Block
- Ear Laceration
- Physiology: Ear sensory innervation
- Greater auricular nerve
- Lesser Occipital Nerve
- Auriculotemporal nerve
- Lesser Occipital Nerve
- Indications
- Ear Laceration
- Technique: Field Block
- Prepare skin with betadine, hibiclens or Alcohol
- Draw up 12 cc Anesthetic (fill 10 cc syringe beyond marker)
- Lidocaine 1% without Epinephrine OR
- Bupivicaine 0.25% without Epinephrine
- Block forms diamond shape encompassing ear
- Identify 2 injection sites
- Midline superior (1 cm above the ear)
- Insert the needle and direct anteriorly
- Inject 3 cc Anesthetic while withdrawing the needle (so needle tip is still within skin)
- Redirect needle posterioly
- Inject 3 cc Anesthetic while withdrawing the needle
- Midline inferior (1 cm below the ear)
- Repeat the same technique as for the superior injection
- Resources
- LacerationRepair.com (Brian Lin, MD)
- https://lacerationrepair.com/blocks/field-block-of-the-ear/
- References
- Moy in Pfenninger (1994) Procedures, p. 145-55
- Salam (2004) Am Fam Physician 69(3):585-90 [PubMed]