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Ejection fraction (EF) has been used in phenotype analyses and to make treatment decisions regarding heart failure (HF). Thus, EF has become a fundamental part of daily clinical practice.

arquivos brasileiros de cardiologia

Fração de Ejeção do Ventrículo Esquerdo Aumentada, Diminuída ou Estável ao Longo do Tempo em uma Série de 626 Pacientes com Insuficiência Cardíaca que Receberam Tratamento Médico