Harlequin syndrome is a rare complication related to blockade of facial sympathetic input that can occur secondary to thoracic epidural anaesthesia.[3] This syndrome causes unilateral flushing, hyperhidrosis and occasional ipsilateral… Click to show full abstract
Harlequin syndrome is a rare complication related to blockade of facial sympathetic input that can occur secondary to thoracic epidural anaesthesia.[3] This syndrome causes unilateral flushing, hyperhidrosis and occasional ipsilateral pupillary miosis. This generally resolves after cessation of local anaesthetic infusion through the epidural catheter. Despite the benign nature of this syndrome, the profound clinical appearance can lead to distress for patients and their families.
               
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