This book constitutes the refereed proceedings of the 6th International Workshop on Knowledge
Representation for Health Care KR4HC 2014 held as part of the Vienna Summer of Logic VSL
2014 in Vienna Austria in July 2014. The workshop aimed at attracting the interest of novel
research and advances contributing in the definition representation and exploitation of health
care knowledge in medical informatics. The 12 revised full research papers and 4 short papers
presented in this book were carefully reviewed and selected from 26 submissions.