BEST CASE EVER 20: CPR in Trauma?!?! Closed Chest Compressions in Traumatic Arrest?!?! Is CPR ever successful in the trauma patient? Dr. Dave MacKinnon, Trauma Team Leader at St. Michael's Hospital in Toronto, gives you his Best Case Ever in the cardiac arrest trauma patient. The literature is full of case series of zero survival in trauma patients requiring CPR. For example, this report in CJEM. Normally, we should not be thinking of CPR in traumatic arrests, but instead, ED thoracotomy as Scott Weingart of emcrit describes in his podast 36 - Traumatic Arrest. But just wait until you here Dave's Best Case Ever..........