• Chhavi Sawhney, Sanjeev Lalwani, Bikash Ranjan Ray, Sumit Sinha, and Abhyuday Kumar.
• Department of Anesthesia, Pain Medicine and Critical Care, JPN Apex Trauma Centre, All India Institute of Medical Sciences, New Delhi, India.
• Anesth Essays Res. 2017 Jan 1; 11 (1): 3-6.

AbstractUltrasound-guided regional anesthesia (UGRA), like other basic skills, should be learnt in a simulation laboratory before performing on the patient. Cadavers provide an ideal tool for learning sonoanatomy and skills required for performing UGRA. On the basis of preservation technique used, the cadavers can be formalin embalmed cadavers, Thiel cadavers (soft cadavers), and fresh frozen cadavers. We compared three types of cadavers for performing ultrasound-guided upper and lower limb blocks. We observed that fresh frozen and Thiel cadavers were less smelling and had more realistic appearance as compared to formalin embalmed cadavers. It was seen that Thiel cadavers were more flexible and hence, rotation of neck, shoulder and knee was easier. Although images seen in most cadavers were comparable with live subjects but, Thiel cadavers provided more realistic model.

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