Browsing by Author "Pereira, Telmo"
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- Critérios de diagnóstico da Síndrome de Brugada. Podemos melhorar?Publication . Santos, Luís Ferreira; Pereira, Telmo; Rodrigues, Bruno; Correia, Emanuel; Moreira, Davide; Nunes, Luís; Costa, António; Elvas, Luís; Machado, José Carlos; Castedo, Sérgio; Henriques, Carla; Matos, Ana; Santos, OliveiraDiagnosis of Brugada syndrome (BS) currently requires documentation of a characteristic repolarization pattern (type 1 Brugada ECG). Mutations in the SCN5A gene, which codes for sodium channel Na(v) 1.5, are found in 38% of familial cases of BS. Sodium current dysfunction negatively affects the cardiac fast response action potential, particularly in atrial and ventricular myocytes and in the fast-conducting Purkinje system.