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133197 Anaesthesia

A 25 year old male who met with a roadside accident underwent debridement and reduction of fracture of both bones of right forearm under axillary block. Commonest cause of persistent numbness and paresthesia in the right forearm and hand on the second post operative day includes all of the following, EXCEPT:

ACrush injury to the hand and lacerated nerves
BA tight cast or dressing
CSystemic toxicity of local anaesthetics
DTounriqet pressure
Anaesthesia
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