What are steps to perform the field block technique in ear anesthesia?
Field Block technique steps 1. Use an alcohol swab to disinfect the skin. 2. Insert the needle behind the earlobe i.e. posterior to the inferior attachment of the auricle. 3. Aspirate. 4. Inject 3-4 ml of anesthetic following the curvature of posterior sulcus. Proceed the needle superiorly.