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Unrecognized systolic and diastolic dysfunction are common in the community, and diastolic dysfunction is associated with increased all-cause mortality.
In the community, systolic dysfunction is frequently present in individuals without recognized CHF. Furthermore, diastolic dysfunction as rigorously defined by comprehensive Doppler techniques is common, often not accompanied by recognized CHF, and associated with marked increases in all-cause mortality.
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Redfield et al. (2003) studied this question.
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