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  Indian J Med Microbiol
 

Figure 1: (a): Landmark for erector spinae plane block. (Original image), C7: Seventh cervical spinous process, T4: Fourth thoracic spinous process, (b): (i) Orientation of ultrasonographic transducer probe for imaging of sonoanatomy of erector spinae plane block. (Original image), (ii) Ultrasonographic anatomy for erector spinae plane block. (Original image), TM: Trapezius muscle, RMM: Rhomboid major muscle, ESM: Erector spinae muscle, (c): (i) Orientation of block needle (in plane cranial to caudal) for erector spinae plane block. (Original image), (ii) Ultrasonographic image showing needle position into the fascial plane between erector spinae muscle and fourth thoracic transverse spinous process. (Original image), TM: Trapezius muscle, RMM: Rhomboid major muscle, ESM: Erector spinae muscle, (d): Ultrasonographic post-hydrodissection image of erector spinae plane block. (Original image), TM: Trapezius muscle, RMM: Rhomboid major muscle, ESM: Erector spinae muscle, and blue coloured area: Deposition site of normal saline for hydrodissection, (e): Ultrasonographic postinjection image of erector spinae plane block. (Original image), TM: Trapezius muscle, RMM: Rhomboid major muscle, ESM: Erector spinae muscle, LA: Local anaesthetic drug, and blue coloured area: spread of local anaesthetic in both cranial and caudal directions

Figure 1: (a): Landmark for erector spinae plane block. (Original image), C7: Seventh cervical spinous process, T4: Fourth thoracic spinous process, (b): (i) Orientation of ultrasonographic transducer probe for imaging of sonoanatomy of erector spinae plane block. (Original image), (ii) Ultrasonographic anatomy for erector spinae plane block. (Original image), TM: Trapezius muscle, RMM: Rhomboid major muscle, ESM: Erector spinae muscle, (c): (i) Orientation of block needle (in plane cranial to caudal) for erector spinae plane block. (Original image), (ii) Ultrasonographic image showing needle position into the fascial plane between erector spinae muscle and fourth thoracic transverse spinous process. (Original image), TM: Trapezius muscle, RMM: Rhomboid major muscle, ESM: Erector spinae muscle, (d): Ultrasonographic post-hydrodissection image of erector spinae plane block. (Original image), TM: Trapezius muscle, RMM: Rhomboid major muscle, ESM: Erector spinae muscle, and blue coloured area: Deposition site of normal saline for hydrodissection, (e): Ultrasonographic postinjection image of erector spinae plane block. (Original image), TM: Trapezius muscle, RMM: Rhomboid major muscle, ESM: Erector spinae muscle, LA: Local anaesthetic drug, and blue coloured area: spread of local anaesthetic in both cranial and caudal directions