ICC diferente, sistólica ou diastólica.

Relation of Disease Pathogenesis and Risk Factors to Heart Failure With Preserved or Reduced Ejection Fraction
Insights From the Framingham Heart Study of the National Heart, Lung, and Blood Institute
Circulation. 2009;119:3070-3077
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Conclusion: These findings suggest that heart failure with reduced left ventricular systolic function and heart failure with preserved left ventricular systolic function are partially distinct entities, with potentially different approaches to early detection and prevention.
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Estudo mostra a importância da avaliação correta da fração de ejeção e da função diastólica.
Parecem ter origens diversas com prognósticos também variados.