Multicenter invasive validation of the Venous Excess Ultrasound Score (VExUS) in patients referred for pulmonary hypertension.
BACKGROUND The Venous Excess Ultrasound (VExUS) score is increasingly used to assess systemic venous congestion, yet direct validation against invasively measured right atrial pressure (RAP) in pulmonary hypertension (PH) remains limited. RESEARCH QUESTION How accurate is the VExUS score to predict RAP in patients wi...