<prompt> Which is an ominous sign in case of severe head injury?Development of diabets insipidusAnisocoriaNew focal deficitDepressed skull fracture  <response>: Head Injury A sudden enlargement dilatation of one pupil anisocoria is an ominous sign Abnormal posturing decoicate posturing a characteristic positioning of the limbs caused by severe diffuse injury or high ICP is an ominous sign Ref: Harrison 19th edition Pgno: 1774 