Dr. Rick Body, Professor of Emergency Medicine at the University of Manchester and Honorary Consultant in Emergency Medicine at Manchester University NHS Foundation Trust, describes the development and implementation of a rapid diagnostic algorithm for acute coronary syndromes, the Troponin-only Manchester Acute Coronary Syndromes (T-MACS) decision aid, and how it is helping to reduce unnecessary hospitalization of low-risk patients. Hear how high-sensitivity troponin assays play a vital role in the method, enabling medical professionals to make faster decisions about patient care.