Background and objectives Left ventricular diastolic dysfunction (LVDD) is commonly associated with pulmonary hypertension (PHT); however, the factors associated with the presence and severity of PHT in patients with LVDD have not been well characterised.Methods We analysed the profiles and echo characteristics of 16 058 adults with LVDD and preserved left ventricular ejection fraction (LVEF, >50%) from the National Echocardiography Database of Australia. Peak tricuspid regurgitation veloci...