Aminocoproic Acid and Large Vascular Occlusion

In the ischemic stroke world one question that we are now asking is do you do a screen for elvio and this is at your primary center not the transfers. What's your protocol for trying to piece out which patients need screening for elvios? We have pretty much our threshold is very low because we really don't want to miss large vessel occlusion but fine tuning it for your health system or your hospital will be important.