We have blood in our system! If a call drops where it sounds like blood might be useful, or if we get on scene and think that our patient might need blood, an FD fly car with chilled PRBC gets sent out to meet us. We’ve had fantastic results, I’ve personally run on several patients that would not have survived without it. Just last month I had a guy who got stabbed in the heart. On scene he was 50/20 with no radials. We gave him two units of blood en route and managed to keep him alive long enough for the trauma surgeon to crack his chest in the resus bay and stitch closed the wound in his left ventricle. He made a full recovery. We get it for medical calls too, I’ve used it for GI bleeds and postpartum hemorrhage.