For more than 20 years, CRICO has analyzed claims and suits from the Harvard medical community to understand causes of error. We have learned that 67% of claims fall into four high risk areas: Diagnosis, Obstetrics, Surgery and Medication.
https://www.rmf.harvard.edu/Podcasts/MedMal-Insider-Home
Woman Dies from Post-op Stroke When Anticoagulant Not Restarted
Restarting heparin was not in the post-op instructions. In a lawsuit naming four physicians, the patient's estate alleged negligent failure to restart anticoagulation, resulting in a stroke and ultimately, her death. The case was settled for more than a million.