(redirected from Macewen sign) Also found in: Medical.
MacEwen, Sir William
(məkyo͞o`ən), 1848–1924, Scottish surgeon. A professor of surgery at the Univ. of Glasgow, he was noted for his work on bone grafting, on the radical cure of hernia, and especially on surgery of the brain and spinal cord.
Over the course of the next 24 hours she developed bradycardia, hypertension, a positive Macewen sign, and bilaterally increased tone of the lower limbs with an extensor plantar response suggestive of raised intracranial tension.