Sarah McNab is a General Paediatrician working at The Royal Children’s Hospital, Melbourne, and is the Clinical Lead of the Short Stay Unit. During her PhD, she was the lead investigator on the PIMS (Paediatric Intravenous Maintenance Solution) study: a large, randomised controlled trial comparing isotonic and hypotonic fluids for maintenance hydration in children. The study findings have led to practice change, both in Australia and internationally. She has a particular interest in quality and safety in healthcare. Sarah is also a mum to three young boys.