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  Indian J Med Microbiol
 

Figure 1: (a) Ultrasound preinjection image of posterior approach of QL block. EO: External oblique muscle, IO: Internal oblique muscle, TA: Transverses abdominis, QL: Quadratus lumborum. (b) Ultrasound post-injection image of posterior approach of QL block. EO: External oblique muscle, IO: Internal oblique muscle, TA: Transverses abdominis, QL: Quadratus lumborum, LA: Local anaesthetic drug, and blue colored area: Deposition site of local anaesthetic

Figure 1: (a) Ultrasound preinjection image of posterior approach of QL block. EO: External oblique muscle, IO: Internal oblique muscle, TA: Transverses abdominis, QL: Quadratus lumborum. (b) Ultrasound post-injection image of posterior approach of QL block. EO: External oblique muscle, IO: Internal oblique muscle, TA: Transverses abdominis, QL: Quadratus lumborum, LA: Local anaesthetic drug, and blue colored area: Deposition site of local anaesthetic