100/140 respondents (71.4%) indicated that 4% albumin solution was the most commonly used bolus fluid, 30(21.4%) compounded sodium lactate solution, and 9 (6.4%)20% albumin (Table 2). 100/139 respondents (71.9%) considered a fluid bolus to be at least 250 ml and 27 (19.4%)considered a fluid bolus to be at least 500 ml, and 12 (8.6%)identified 100 ml, 200 ml or 1000 ml as being a fluid bolus(Table 2). Compared to respondents without a formal critical care qualification, graduate level respondents were more likely to select ‘Albumin 4%’ (60/76, 78% vs. 5/13, 38%)