C - BP, P, capillary refill and assess blood loss. IV access, rapid fluid replacement 2L crystalloid or 1.5 L colloid. Blood products - cross matched or 0 neg (use pressure bags and warmer. Consider FFP, cryprecipitate, cell salvage. Bloods : FBC, G+S, Clotting, klauihaur, blood cultures, blood gas, U+E, LFT, lactate?) Point of care testing if available