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Fig. 1 | BMC Anesthesiology

Fig. 1

From: Postoperative pain treatment with transmuscular quadratus lumborum block and fascia iliaca compartment block in patients undergoing total hip arthroplasty: a randomized controlled trial

Fig. 1

A: Posture and injection approach of transmuscular quadratus lumborum block; B: Ultrasound image of transmuscular quadratus lumborum block. Solid arrow indicates needle trajectory and injection point between QLM (quadratus lumborum muscle) and PM (psoas major muscles); dashed line indicates the spread of the LA (local anesthetic); blue:local anesthetic; ESM: erector spinae muscle; TP: transverse process

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