Dexmedetomidine (DEX) is currently being used as a premedication for anxiolysis, as an adjunctive drug both during and after surgery and as an adjunct to attenuate emergence agitation, postoperative pain, and shivering. It is an alpha-2 agonist which is 8 times more potent than clonidine and is also has sympatholytic effects1. It is also being used as an adjunct in central neraxial blocks to enhance the quality and to prolong the duration of the block2,3. Its use in peripheral nerve blocks is also reported. Keywords: Anxiolysis, fibroadenoma, agitation

Spinal myoclonus is a rare and less known sequel e after central neuraxial blocks and hereby we present a case of 68 yrs old lady undergoing removal of infected femur implant under sub-arachnoid block (SAB), developing myoclonus after the procedure ended but before regression of block. It was treated successfully with an infusion of lignocaine and magnesium sulphate. The patient was called in for follow-up after one week and had no any complains thereafter. Keywords: Spinal myoclonus, sub-arachnoid block, neuraxial block