Citation:Piccari L, Bernardo RJ, Rodríguez-Chiaradía D, Vitulo P, Wort SJ, Sahay S. Pulmonary vasodilator treatment in pulmonary hypertension due to left heart or lung disease: time for a high-definition picture?. Pulm Circ. 2021 May 29;11(2):20458940211018074. DOI: 10.1177/20458940211018074