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

Left ventricular systolic dysfunction detected by speckle tracking in hypertensive patients with preserved ejection fraction Susana Gonçalves, Nuno Cortez-Dias, Ana Nunes, Adriana Belo, Inês Zimbarra Cabrita, Catarina Sousa, Fausto J. Pinto

A 75-year-old woman with chest pain and transient severe left ventricular systolic dysfunction Jennifer Mancio, Daniel Caeiro, Rita Faria, Miguel Marques, Sofia Bernardino, Marco Oliveira, Aníbal Albuquerque, Vasco Gama Ribeiro