Right ventricular dysfunction in the critically ill. Echocardiographic evaluation Virginia Fraile-Gutiérrez; Lluis Zapata-Fenor; Aaron Blandino-Ortiz; Manuel Guerrero-Mier; Ana Ochagavia-Calvo;

Is hemodynamic instability an absolute contraindication for prone position? Marina Busico; Fernando Villarejo;

Experience with ECMO therapy for acute respiratory distress syndrome treatment throughout the COVID-19 pandemic José María Arribas-Leal; José Miguel Rivera-Caravaca; Claudia Vicente-Andreu; Alicia Verdú-Verdú; Ángel Sornichero; Daniel Pérez-Martínez; Juan Blanco-Morillo; Francisco Gutiérrez; Marina Simón-Páez; Rubén Jara; Sergio J. Canovas-Lopez; Carlos Albacete-Moreno;