Autopsies played a major role in advancing medical knowledge and education during the 19th and 20th centuries, but autopsy rates have fallen, particularly since the 1950s.1 2 Goldman developed a classification system categorising missed diagnoses identified at postmortem based on their potential impact on the patient’s clinical course.2 As a regional multidisciplinary tertiary-referral paediatric intensive care unit (PICU), we performed a retrospective cohort review of clinical data, death summaries …