Doctor William Herrik Nielsen

William Herrik Nielsen (born 1996) is a Danish MD and PhD fellow at Rigshospitalet/University of Copenhagen (UCPH), specializing in advanced heart failure and left ventricular assist device (LVAD) therapy. His research focuses on prognostic markers in LVAD patients, particularly the role of cardiopulmonary exercise testing (CPET) in risk stratification and clinical decision-making.