Research Article   
            
                        Correlation between heart rate variability and myocardial perfusion scintigraphy 
                        Author(s): Rodrigo Daminello Raimundo*, Patricia Alves Ribeiro Santoro, Pamela de Souza Santos, Victor Santoro, Vitor Engrácia Valenti, Tatiana Dias de Carvalho, Andrés Ricardo Pérez-Riera, Juliana Zangirolami Raimundo, Paulo Evaristo de Andrade and Luiz Carlos de Abreu