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  Indian J Med Microbiol
 

Figure 1: (a) Patient position and marking of lower cervical and upper thoracic spinous process, (b) sonoanatomy of the erector spinae plane block at T1 level, (c) needle in situ with confirmation of correct position evidenced by hydro dissection, (d) catheter in situ with subcutaneous tunneling

Figure 1: (a) Patient position and marking of lower cervical and upper thoracic spinous process, (b) sonoanatomy of the erector spinae plane block at T1 level, (c) needle <i>in situ</i> with confirmation of correct position evidenced by hydro dissection, (d) catheter <i>in situ</i> with subcutaneous tunneling