 Recent research suggests that there is broad agreement among institutions when it comes to using riboa for trauma patients who are unresponsive to resuscitation efforts. However, there is still some variation in the exact criteria used for patient selection. This includes the systolic blood pressure threshold for early access to the femoral artery and the use of riboa for traumatic arrest or chest extremity hemorrhage control. This article was authored by Jonathan Nguyen, Andrew Beckett, Chan Spalding, and others.