The inverted U curve and emergency medicine: Overdiagnosis and the law of unintended consequences
- 5 May 2016
- journal article
- Published by Wiley in Emergency Medicine Australasia
- Vol. 28 (4), 480-482
- https://doi.org/10.1111/1742-6723.12588
Abstract
We all think and assume that more is better, but unintended consequences can arise in a complex system. However, in our complex world, everything of consequence follows an inverted U curve. The inverted U curve helps us challenge our natural assumption that more is better. This leads us to the issue of overdiagnosis and the harms that result. Journals are now publishing lists of studies where more medical care caused harm. Changing diagnostic thresholds together with the fear of uncertainty by both patients and doctors has a synergistic and costly effect on the health system. The over-reliance on technology tends to supplant clinical judgement. This intervention bias promotes the overutilisation of diagnostic testing. What patients actually value is thinking doctors who talk to them. Promoting clinical judgement reinforces the mantra that less is more, resulting in positively intended consequences. This essay aims to be a thought-provoking commentary of our practice.Keywords
This publication has 7 references indexed in Scilit:
- Overtesting and the Downstream Consequences of Overtreatment: Implications of “Preventing Overdiagnosis” for Emergency MedicineAcademic Emergency Medicine, 2015
- Overdiagnosis: when good intentions meet vested interests--an essay by Iona HeathBMJ, 2013
- Reassurance After Diagnostic Testing With a Low Pretest Probability of Serious DiseaseJAMA Internal Medicine, 2013
- Overdiagnosis of DiseaseJAMA Internal Medicine, 2012
- Preventing overdiagnosis: how to stop harming the healthyBMJ, 2012
- Eliminating Waste in US Health CareJAMA, 2012
- Avoiding the Unintended Consequences of Growth in Medical CareJAMA, 1999