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Fig. 1 | BMC Anesthesiology

Fig. 1

From: Ultrasound-guided superior laryngeal nerve block: a randomized comparison between parasagittal and transverse approach

Fig. 1

(A), Transverse approach ultrasound-guided SLN block with an in-plane technique. Long arrow: block needle; short arrow: thyrohyoid membrane; white short arrow head: superior laryngeal nerve; red short arrow head: superior laryngeal artery. (B), Parasagittal approach ultrasound-guided SLN block with an out-of-plane technique. Long arrow: block needle; short arrow: thyrohyoid membrane; LA: local anesthetic

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BMC Anesthesiology

ISSN: 1471-2253

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