Diastolic Heart Failure: Current Data
DOI:
https://doi.org/10.2015/hc.v3i1%20sup.111Abstract
Several definitions of diastolic heart failure have been proposed. One definition is, ???a condition resulting from an increased resistance to filling of one or both ventricles leading to symptoms of congestion due to an inappropriate upward shift of the diastolic pressure ???volume relation (that is during the terminal phase of the cardiac cycle)??. Another proposed definition is that diastolic heart failure is a condition in which the ???ventricular chamber is unable to accept an adequate volume of blood during diastole at normal diastolic pressures and at volumes sufficient to maintain an appropriate stroke volume??. These definitions describe pathophysiology and functional abnormalities but cannot be applied in clinical practice. The widely used clinical definition of diastolic heart failure is, ???a clinical condition characterized by the presence of signs and symptoms of heart failure and preserved left ventricular ejection fraction??. Based on this definition, diastolic heart failure is also termed ???heart failure with preserved ejection fraction??.Downloads
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