How do you determine if pulmonary hypertension is disproportionate to the severity of lung disease?

This is a question we faced on a daily basis in our PH clinic. Patients with parenchymal lung disease like COPD or ILD would get an echocardiogram that showed an elevated RVSP and/or RV dilation/dysfunction and will be referred to our clinic for PH evaluation. Alternatively, the patient already unde...

I agree wholeheartedly with the comprehensive answer by Dr. @Dr. First Last. Patients with comorbid pulmonary vascular disease and pulmonary parenchymal or obstructive disease can exhibit both a "pulmonary vascular" predominant phenotype (sometimes identified in co-morbid PH with interstitial lung d...