Welcome back to November's papers podcast! This month we've got some great topics to discuss. We look at another paper on the topic of oxygen therapy, this time a hug article from JAMA on oxygen therapy in the context of acute stroke and the impact on disability. Next up we look at a fascinating case report of a extradural haematoma that was drained via an I.O. needle prior to surgical evacuation. Lastly we follow up on our previous podcast on PE; the controversy, which looked at the prevalence of PE in those patients presenting with undifferentiated syncope. This paper puts a great counter to the conclusions arrived at in that Prandoni paper. Enjoy! Simon & Rob References & Further Reading   Effect of Routine Low-Dose Oxygen Supplementation on Death and Disability in Adults With Acute Stroke: The Stroke Oxygen Study Randomized Clinical Trial. Roffe C. JAMA. 2017 Temporising extradural haematoma by craniostomy using an intraosseous needle. Bulstrode H. Injury. 2017  Prevalence of pulmonary embolism in patients presenting with syncope. A systematic review and meta-analysis. Oqab Z. Am J Emerg Med. 2017