Introduction Intravascular volume and fluid replacement are still cornerstones to correct fluid deficits during early trauma resuscitation, but optimum strategies remain under debate. Methods A synopsis of best current knowledge with reference to the following guidelines and recommendations is presented: (1) The European Guideline on Management of Major Bleeding and Coagulopathy following Trauma (fourth edition), (2) S3 Guideline on Treatment of Patients with Severe and Multiple Injuries [English Version of the German Guideline S3 Leitlinie Polytrauma/Schwerverletzten-Behandlung/AWMF Register-Nr. 012/019 sponsored by the German Society for Trauma Surgery/Deutsche Gesellschaft fur Unfallchirurgie (DGU)], and (3) S3 Guideline Intravascular Vo...