Contribution of cardiopulmonary exercise testing to the identification of latent systolic dysfunction in chronic aortic regurgitation Giovani Luiz De Santi, Eduardo Elias Vieira de Carvalho, Daniela Caetano Costa, Júlio César Crescencio, Minna Moreira Dias Romano, André Schmidt, Marcus Vinícius Simões, Lourenço Gallo

Prognostic value of a new cardiopulmonary exercise testing parameter in chronic heart failure: oxygen uptake efficiency at peak exercise — comparison with oxygen uptake efficiency slope Alexandra Toste, Rui Soares, Joana Feliciano, Valeska Andreozzi, Sofia Silva, Ana Abreu, Ruben Ramos, Ninel Santos, Lurdes Ferreira, Rui Cruz Ferreira

Arterial waveform during extracorporeal cardiopulmonary resuscitation João João Mendes, Ruben Ramos, Paulo Franco, Pedro Ponce