Subdural Hematoma (SDH) is caused by: (A) Bridging veins, (B) Caroticocavemous fistula rupture, (C) Middle meningeal artery, (D) None
Answer is A. (A) Bridging veins # SUBDURAL BLEEDING arises from rupture of cortical vessels/bridging veins.> Relatively severe trauma> No lucid interval> Diffuse concave lesion on computed tomography> Require immediate transfer to a neurosurgical unit for decision on evacuation 50 per cent mortality.