Emergency Medicine Australasia is the official journal of the Australasian College for Emergency Medicine (ACEM) and the Australasian Society for Emergency Medicine (ASEM) and aims to present papers and opinions on all aspects of emergency care in the prehospital and hospital environment. Authors are invited to submit any work that will contribute to the progress of emergency medicine within Australasia and worldwide. The Journal publishes peer reviewed articles, reports, reviews and opinions on the research and clinical practice of emergency care. Accepted papers become the copyright of the Journal. All original research articles, critical reviews and case reports are reviewed by at least two referees expert in the field of the submitted paper.