Lucid interval is classically seen in:
Correct Answer: Epidural hemorrhage
Description: Epidural hemorrhage has a classic three-stage clinical presentation that is probably seen in only 20% of cases. The patient is initially unconscious from the concussive aspect of the head trauma. The patient then awakens and has a lucid interval while the hematoma subclinically expands. As the volume of the hematoma grows, the decompensated region of the pressure-volume curve is reached, ICP increases, and the patient becomes lethargic and herniates. Uncal herniation from an EDH classically causes ipsilateral third nerve palsy and contralateral hemiparesis. Ref: Schwaz's principle of surgery 9th edition, chapter 42.
Category:
Surgery
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