"A simple blood test – called a natriuretic peptide test "
"A simple blood test – called a natriuretic peptide test – that looks for the hormones released when the heart is under stress can detect the onset of heart failure.
"It costs only £15 and takes minutes to carry out, but just a fifth of patients showing signs of heart failure are offered it, according to an analysis of data by think tank Public Policy Projects."
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