Which is not a sign of raised ICP?: (A) Blurring of disc margins, (B) Positive Kernig Sign, (C) Ipsilateral pupil dilatation, (D) Ipsilateral hemiplegia
Answer is B. Positive Kernig sign is a feature of meningeal irritation and not raised ICP. Ipsilateral hemiplegia occurs due to Kernohan Woltman sign seen in uncal herniation. Ipsilateral pupil dilatation: The pupil of the same side of CNS bleed dilates and shows a sluggish reaction to light. It is seen in uncal herniation and is called Hutchinson's pupil. Blurring of disc margins is an early finding in papilledema