Anton is joined by the world's leading EM researcher in subarachnoid hemorrhage diagnosis Dr. Jeff Perry and EM-Stroke team clinician Dr. Katie Lin for a deep dive into why we still miss this life-threatening diagnosis, the key clinical clues, proper use of decision tools, indications for CT, indications for CTA, indications for LP and CSF interpretation for the sometimes elusive diagnosis of subarachnoid hemorrhage...Help support EM Cases by making a donation: https://emergencymedicinecases.com/donation/