<prompt> Lucid interval is associated with: September 2010, March 2013Intracerebral hematomaSubarachnoid hematomaExtradural hematomaAll of the above  <response>: Ans. C: Extradural hematoma A lucid interval is a temporary improvement in a patients condition after a traumatic brain injury, after which the condition deteriorates. A lucid interval is especially indicative of an epidural hematoma. 