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. 2020 Jul 20;20(9):312–320. doi: 10.1016/j.bjae.2020.04.004

Fig 4.

Fig 4

Top image: annotated US image of an iPACK block taken with relevant anatomy labelled (CPN, common peroneal nerve; PA, popliteal artery; PV, popliteal vein; TN, tibial nerve) with needle approach. Bottom image: same image with ideal LA spread on needle withdrawal.