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Figure 5 Curves for Expected Level of Plasma proBNP According to Gender and Age for Dyspneic Subjects
A measured pro-B-type natriuretic peptide (proBNP) above the blue area indicates a value >2.5 times the expected level and thus a high risk of left ventricular systolic and/or diastolic dysfunction. A measured proBNP below the blue area indicates a value less than one-half of the expected level and thus left ventricular systolic and diastolic dysfunction can be ruled out. A measured proBNP in the blue area indicates that the risk of left ventricular systolic and/or diastolic dysfunction is small and further diagnostic evaluation is required.
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