Clinical Study

A Standardized Method for 4D Ultrasound-Guided Peripheral Nerve Blockade and Catheter Placement

Figure 2

Standard view of the sciatic nerve from the popliteal fossa in 4D mode. The white crosshair corresponds to the same location on the sciatic nerve in short axis (a), long axis (b), and coronal view (c). (d) is a three-dimensional composite image that updates in real time.
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(a)
920538.fig.002b
(b)
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(c)
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(d)