LKnative - Ulnar nerve block

7 – Sonoanatomy of the ulnar nerve – elbow level

The ulnar nerve can be blocked with ultrasound guidance 5-10 cm proximal to the elbow crease just proximal to the medial epicondyle, where the ulnar nerve is located very superficially just below the deep fascia

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Ulnar nerve (blue arrows), medial epicondyle (red arrows), triceps brachii muscle (green asterix), brachialis muscle (white asterix)
I = inferior, L = lateral