What are steps to perform the field block technique in ear anesthesia?

Updated: Jun 14, 2018
  • Author: Daniel J Hutchens, MD, MS; Chief Editor: Meda Raghavendra (Raghu), MD  more...
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Steps for this technique are as follows:

  • Disinfect the skin with an alcohol swab.

  • Insert the needle just posterior to the inferior attachment of the the auricle (behind the earlobe). Aspirate and inject a total of 3-4 mL of anesthetic while advancing the needle superiorly, following the curvature of the posterior sulcus. See the video below.

    Ear anesthesia. Courtesy of Hamid R Djalilian, MD.

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