RT Journal Article SR Electronic T1 Computerised system for the continuous measurement of azygos venous blood flow. JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 372 OP 374 DO 10.1136/gut.33.3.372 VO 33 IS 3 A1 P C Hayes A1 D Terrace A1 I Peaston A1 I A Bouchier A1 D Redhead A1 H M Brash YR 1992 UL http://gut.bmj.com/content/33/3/372.abstract AB A computer assisted apparatus for the continuous measurement of azygos blood flow is described. The system was validated in vitro and changes in flow which occur with respiration and Valsalva manoeuvre are illustrated. This apparatus allows real time inspection of flow values which enables changes in flow over short periods to be readily studied.