Cognitive Errors in Pediatric Emergency Medicine.

Fundamental to the practice of pediatric emergency medicine is making timely and accurate diagnoses. However, studies have shown errors in this process are common. A number of factors in the emergency department environment as well as identifiable errant patterns of thinking can contribute to such challenges. Cognitive psychologists have described 2 types of thinking: system 1 (fast) relies primarily on intuition and pattern recognition, whereas system 2 (slow) is more deliberative and analytical. Reviewing how these 2 styles of thinking are applied in clinical practice provides a framework for understanding specific cognitive errors. This article uses illustrative examples to introduce many of these common errors, providing context for how and why they occur. In addition, a practical approach to reducing the risk of such errors is offered.