ECHOCARDIOGRAPHIC PULMONARY/LEFT ATRIAL RATIO: A NOVEL AND ROBUST NON-INVASIVE DISCRIMINATOR OF PRE-CAPILLARY VERSUS POST-CAPILLARY PULMONARY HYPERTENSION

Right heart catheterisation (RHC) is the gold-standard for differentiating pre-capillary (high trans-pulmonary gradient (TPG), normal wedge pressure) pulmonary hypertension (PHT) from post-capillary (elevated wedge pressure, with or without elevated TPG). This new non-invasive parameter ePLAR is