The discipline and practice of medicine has a very unique way of approaching problems. Doctors use a mix of experience, intuition, evidence, and even chance to inform their clinical conclusions and decisions. In the emergency room, these decisions are being made rapidly, often with tremendous amounts of uncertainty when a lot is on the line. Dr. Jahan Fahimi explores the basis for those decisions, highlighting the sophisticated mechanisms that help doctors get it right, as well as the pitfalls and distractions that lead them astray. (#25800)