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This Concept Map, created with IHMC CmapTools, has information related to: blocks and considerations, Auroiculopalpebral Nerve Block (mouse over) method Lidocaine injected SC 5-7cm caudal to supraorbital process, where nerve crosses zygomatic arch (mouse over), Auroiculopalpebral Nerve Block (mouse over) landmarks caudodorsal 1/3 border of zygomatic arch, Considerations for Pre-Operative Procedures, Peterson's Eye Block method 4) The needle should then hit the foramen orbitorotundum where the nerves lie., Peterson's Eye Block method 2) Advance the needle at a 90 degree angle into the space, Pre-Operative Procedures include Surgical Site Preperation (mouse over), Post-Operative Procedures include Drainage (mouse over), Intra-Operative Procedures include Suture (mouse over), Surgical Site Preperation (mouse over) should Clip haired skin around margines of lid (mouse over), Four Point Nerve Block landmarks 1) dorsal to eye 2) caudal to eye 3) medial canthus 4) lateral canthus, Considerations for Post-Operative Procedures, Intra-Operative Procedures include Oculocardiac Reflex, Auroiculopalpebral Nerve Block (mouse over) nerves anesthetised Cranial nerves 3, 5, 6 and 8, Peterson's Eye Block landmarks In the vertex made between: 1) zygomatic arch and the 2) frontal crest, Considerations for Intra-Operative Procedures, Surgical Site Preperation (mouse over) should use Diluted Prividone Iodine Solution (mouse over), Peterson's Eye Block method 5) Aspirate and inject anasthetic here, Diluted Prividone Iodine Solution (mouse over) never use Chlorhexidine (mouse over), Peterson's Eye Block complications 1) apnea 2) death, Pre-Operative Procedures include Injecting anaesthetic drug (mouse over)