Fig. 3. Ultrasound-guided superior medial genicular nerve block. Representative longitudinal images of the right knee at the level of the distal femoral epicondyle and medial metaphysis of femur is shown. The superior medial genicular nerves accompany each the superior medial genicular artery which is identified using color Doppler mode. Dashed arrow indicates the out-of-plane needle pathway for the superior medial genicular nerve block.
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