Grant: CIHR-ICRH Travel Awards - General pool

Using linked administrative datasets, we conducted a population-based study of 42,151 adults 40 years of age and older in Ontario, Canada who presented to the emergency department with shortness of breath for the first time between 2014-2020. After introduction of B-type natriuretic peptide testing at 16 hospitals, there were significant declines in rates of all-cause mortality and rehospitalization for all-causes, cardiovascular disease, and heart failure. Adoption of natriuretic peptide testing for dyspnea in the emergency department was associated with benefits for both patients and health care providers.