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Quick, cheap blood test predicts chance of surviving heart attack

A rapid and inexpensive blood test that measures levels of a hormone predicted the long-term health of patients with heart attack and chest pain, according to a study published in Circulation: Journal of the American Heart Association. This hormone ? B-type natriuretic peptide (BNP) ? is elevated when the heart is damaged. A fragment of this hormone called the N-terminal fragment (N-BNP), can provide a clearer picture of a patient’s likelihood of survival, more so than with current prognostic methods.