How often do Doctors make mistakes? What's the proper way to respond to them? How can we reduce error in the busy, chaotic environment of healthcare? And how do we tell whether our systems are improving or not?

Dr Sarah Keir is a Consultant Stroke Physician at the Western General Hospital in Edinburgh, Scotland. She is also the Quality Improvement Lead of the Department of Medicine of the Elderly. Over her career, her publications have been cited over 1000 times, on topics related to stroke. In this episode, Dr Keir argues that consistent measuring of data needs to take priority over doctors' own beliefs about their performance.