Correlation and agreement analysis between standard videotape and digital echocardiography: a cross-sectional study.


BACKGROUND Several studies have analyzed the correlation between digital and standard videotape echocardiographic images. The advantages of digital echocardiography are a faster exam, lower costs and a greater number of exams performed. Our study's aim was to evaluate the correlation and agreement between cardiac dimensions measured by M-mode and two… (More)


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