Biochemical diagnosis of ventricular dysfunction in elderly patients in general practice: observational study.


OBJECTIVE To investigate the usefulness of measuring plasma concentrations of B type natriuretic peptide in the diagnosis of left ventricular systolic dysfunction in an unselected group of elderly people. DESIGN Observational study. SETTING General practice with four centres in Poole, Dorset. PARTICIPANTS 155 elderly patients aged 70 to 84 years… (More)


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