LKnative – Thoracic longus nerve block
Indications
Identify the long thoracic nerve and the dorsal scapular nerve inside the middle scalene muscle with electrical nerve stimulation during ultrasound-guided interscalene brachial plexus block to avoid nerve injury
Selective diagnostic blockade of the long thoracic nerve in patients with suspected pain from serratus anterior muscle spasms
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Anatomy of the long thoracic nerve
The long thoracic nerve origins from the spinal nerve roots C5, C6 and C7
The upper two roots typically pierce the middle scalene muscle and the lower passes anterior to the muscle
The components of the nerve enter the axilla behind the brachial plexus and descend approximately in the midaxillary line; it runs on the superficial surface of the serratus anterior muscle which it innervates.
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