Acute aortic syndrome is a life-threatening emergency. It is difficult to diagnose and is often missed in the emergency department, but it’s a syndrome that must be on a physician’s radar. Dr. Robert Ohle discusses how to identify acute aortic syndrome and how to diagnose it.Dr. Ohle is one of the authors of a clinical practice guideline on the topic. He is an emergency medicine physician and research director for emergency medicine at Health Science North in Sudbury, Ontario.The guideline article he co-authored is published in CMAJ: www.cmaj.ca/lookup/doi/10.1503/cmaj.200021Podcast transcript: https://www.cmaj.ca/transcript-200021-----------------------------------Subscribe to CMAJ Podcasts on Apple Podcasts or your favourite podcast app. You can also follow us directly on our SoundCloud page or you can visit www.cmaj.ca/page/multimedia/podcasts.