Sheila Klassen

Dr. Sheila Klassen is a cardiologist and echocardiographer at Mass General Brigham and a faculty member at Harvard Medical School. Her work focuses on improving recognition and access to care for rheumatic and other cardiovascular diseases in resource-limited settings.

She serves as Assistant Director of Cardiovascular Integration at the Center for Integration Science, where she supports development and implementation of the PEN-Plus strategy, and as Cross-Site Clinical Co-Lead of the PRIMA ARF Research Network.

Her research focuses on acute rheumatic fever case finding, rheumatic heart disease, decentralized cardiac care, and implementation science, with an emphasis on strengthening pathways within health systems from diagnosis to longitudinal care.