Dyspnea in a nonagenarian: The usual suspects, an unexpected culprit Sérgio Madeira, Luís Raposo, Raquel David, Alexandre Marques, José Andrade Gomes, Nuno Cardim, Rui Anjos

Body position and oxygenation: An intriguing relationship Patrícia Rodrigues, Marta Monteiro, Paulo Palma, Luís Sousa-Pereira, Sofia Cabral, Filomena Oliveira, Vasco Dias, Severo Torres

Percutaneous patent foramen ovale closure: The Paradoxical Cerebral Embolism Prevention Registry Luís Paiva, Paulo Dinis, Rui Providência, Marco Costa, Susana Margalho, Lino Goncalves