"Giant R wave" electrocardiogram pattern during exercise treadmill test: A case report
Ana Testa-Fernández*, Ramón Rios-Vazquez, Juan Sieira-Rodríguez-Moret, Raúl Franco-Gutierrez, Carlos Peña-Gil, Ruth Pérez-Fernández, Victor Puebla-Rojo, Margarita Regueiro-Abel and Carlos Gonzalez-Juanatey