Editorial/Commentary
Editorial – Unnecessary variation cloaked as discretion in medical decisions – Niranjan Kissoon, MD
Éditorial – Décisions médicales justifiées sous le couvert de la libre appréciation: variations non nécessaires – Niranjan Kissoon, MD
Letters
Letters – Air in the Spinal Canal Associated with Cardiopulmonary Resuscitation in an Infant – Danna Krupik, MD
Original Research
EM Advances – Variability in the emergency department use of discretionary radiographs in children with common respiratory conditions: the mixed effect of access to pediatrician care – Astrid Guttmann, MDCM, MSc*†‡§
Community EM – The wire is really easy to see (WIRES): sonographic visualization of the guidewire by novices – James H. Moak, MD, RDMS*
Education – Core competencies for emergency medicine clerkships: results of a Canadian consensus initiative – Rick Penciner, MD*
Education – Effect of a brief emergency medicine education course on emergency department work intensity of family physicians – Samuel Vaillancourt, MD, MPH*
Education
Knowledge to Practice
Images – Get off the back burner! – Chris Keefer, MD*
Case Report
Case Report – Spontaneous low cerebrospinal fluid pressure headache: an emergency medicine perspective – Justin S. Ahn, MD*
Case Report – Type A aortic dissection presenting as superior vena cava syndrome – Faisal S. Raja, MD, CCFP(EM)*