Cardiac troponin is one of the most important tests for making clinical decisions about patients with suspected acute coronary syndromes in the emergency department. In this video, Dr. Rick Body, Professor of Emergency Medicine at the University of Manchester and Honorary Consultant in Emergency Medicine and Group Director of Research & Innovation at Manchester University NHS Foundation Trust, discusses the impact that point of care high-sensitivity troponin testing could have on the management of patients with suspected myocardial infarction.