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Fig 1. | Perioperative Medicine

Fig 1.

From: The effect of opioid-sparing anesthesia regimen on short-term cognitive function after thoracoscopic surgery: a prospective cohort study

Fig 1.

Ultrasound guided erector spinae plane block. A The block needle was advanced from a caudal to cranial direction. B Ultrasonographic image of the T4 transverse process in the middle of the image. C The block needle was advanced in-plane until the needle tip contacted the T4 transverse process (TP). D Spread of local anesthetic was observed in the plane between the erector spinae muscle and the transverse process, and erector spinae muscle lifted during the block. T4TP, transverse process

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Perioperative Medicine

ISSN: 2047-0525