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Advancing the Science of Ultrasound Guided Regional Anesthesia and Pain Medicine

Peripheral Nerve Block - Median Nerve

Median Nerve in the Elbow Region

Anatomical Correlation


BA = brachial artery
H = humerus

M = median nerve
Pre-injection Scan

Arrowhead = median nerve
BA = brachial artery
Post-injection Scan

Arrowhead = median nerve
BA = brachial artery
LA = local anesthetic around the nerve

Median Nerve in the Forearm

Anatomical Correlation

RA = radial artery
N = median nerve
FCR = flexor carpi radialis
FDP = flexor digitorum profundus tendon
FDS = flexor digitorum superficialis
FPL = flexor pollicis longus
PL = palmaris longus

Median Nerve in the Wrist

Anatomical Correlation

FCR = flexor carpi radialis tendon
FDS = flexor digitorum superficialis tendon
FPL = flexor pollicis longus tendon
Arrowhead = median nerve
FCR = flexor carpi radialis tendon
FDP = flexor digitorum profundus tendon
FDS = flexor digitorum superficialis tendon
FPL = flexor pollicis longus tendon

Selected References

  • Russon K, Blanco R: Accidental intraneural injection into the musculocutaneous nerve visualized with ultrasound. Anesth.Analg. 2007; 105: 1504-5.
  • Orebaugh SL, Pennington S: Variant location of the musculocutaneous nerve during axillary nerve block. J.Clin.Anesth. 2006; 18: 541-4.
  • Liebmann O, Price D, Mills C, Gardner R, Wang R, Wilson S, Gray A: Feasibility of forearm ultrasonography-guided nerve blocks of the radial, ulnar, and median nerves for hand procedures in the emergency department. Ann.Emerg.Med. 2006; 48: 558-62.
  • Schafhalter-Zoppoth I, Gray AT: The musculocutaneous nerve: ultrasound appearance for peripheral nerve block. Reg Anesth.Pain Med. 2005; 30: 385-90.
  • Spence BC, Sites BD, Beach ML: Ultrasound-guided musculocutaneous nerve block: a description of a novel technique. Reg Anesth.Pain Med. 2005; 30: 198-201

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