Graph comparing baseline data with data collected following PDSA cycle 1 (initial introduction of the checklist). PDSA, plan do study act; IV, intravenous. Graph comparing baseline data with data collected following PDSA cycle 1 (initial introduction of the checklist). PDSA, plan do study act; IV, intravenous. Danielle Alice Banfield et al. BMJ Open Qual 2018;7:e000045 © Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/