• Harry Yip, Carmel Crock, and Elsie Chan.
• Royal Victorian Eye and Ear Hospital, East Melbourne, Australia.
• Diagnosis (Berl). 2020 May 26; 7 (2): 129-131.

AbstractBackground Diagnostic error is a major preventable cause of harm to patients. There is currently limited data in the literature on the rates of misdiagnosis of doctors working in an ophthalmic emergency department (ED). Misdiagnosis was defined as a presumed diagnosis being proven incorrect upon further investigation or review. Methods In this retrospective audit, data was collected and analysed from 1 week of presentations at the Royal Victorian Eye and Ear Hospital (RVEEH) ED. Results There were 534 ophthalmic presentations during the study period. The misdiagnosis rates of referrers were: general practitioners (30%), optometrists (25.5%), external hospital EDs (18.8%), external hospital ophthalmology departments (25%) and private ophthalmologists (0%). Misdiagnosis rates of RVEEH doctors were: emergency registrars (7.1%), RVEEH residents (16.7%), first-year registrars (5.1%), second-year registrars (7.1%), third-year registrars (7.7%), fourth-year registrars (0%), senior registrars (6.9%), fellows (0%) and consultants (8.3%). Conclusions The misdiagnosis rates in our study were comparable to general medical diagnostic error rates of 10-15%. This study acts as a novel pilot; in the future, a larger-scale multi-centre audit of ophthalmic presentations to general emergency departments should be undertaken to further investigate diagnostic error.

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