"...While there is consensus on the benefits and potential of EHRs for improving quality of care for patients, the Usability standards of such systems remains a major point of concern". In some cases it can literally mean the difference between life and death and potentially why so many people aren't adopting them fast enough. This book highlights the major Usability mistakes, in general, made by medical System designers and provides a systematic way of measuring Usability in EHR systems.