Churg–Strauss syndrome presenting with eosinophilic myocarditis: A diagnostic challenge Ana Sofia Correia, Alexandra Gonçalves, Vítor Araújo, João Almeida e Silva, José Manuel Pereira, Pedro Rodrigues Pereira, Manuel Pizarro, João Carlos Silva, Maria Júlia Maciel

Sudden cardiac arrest due to atrioventricular block: A diagnostic challenge Francisco Javier Irazusta, Adrian Rivas, Sandra Rosillo, Veronica Rial, Elena Refoyo, Raul Moreno, Esteban Lopez de Sa, Jose Luis Lopez-Sendon

An unusual case of fulminant myocarditis closely mimicking ST-segment elevation myocardial infarction and presenting as refractory cardiogenic shock complicated by multiple life-threatening arrhythmias Zhi-quan Wang, Yi-Gang Li