Concussion and its sequelæ

TL;DR: A practical, on-the-field grading scheme for identifying concussion in contact sports and management of concussion and guidelines for determining when an athlete may safely return to play are discussed.

TL;DR: Intracranial haemorrhage is the leading cause of head injury death in sports, making rapid initial assessment and appropriate follow up mandatory after a head injury.

TL;DR: This article is meant to serve only as a guideline as the final decision in every instance is a clinical judgement.

TL;DR: It is suggested here that post-traumatic amnesia, by depriving preceding memories of a large proportion of their associated memories, leads to retrograde amnesia.

TL;DR: The findings in the brains of five patients who' survived a closed head injury in a more or less decerebrate and extremely demented state, for five to 15 months are reported.

TL;DR: Re-investigation of the phenomenon in cats under nembutal anaesthesia confirms its appearance in severe degree, and ability to result in death, without macroscopic lesions of the brain stem.

TL;DR: The neck of the sac was constricting the diverticulum flush with the wall of the intestine, but the lumen of the ileum was not encroached upon, and the intestinal wall was repaired transversely in two layers.