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Algorithm for diagnosis of patients with chronic HF.
*As suggested by this committee
HF = heart failure; BNP = brain natriuretic peptide; NT-pro-BNP = N-terminal pro-BNP; HFrEF = heart failure with reduced ejection fraction; HFmrEF = heart failure with mid range ejection fraction; HFpEF = heart failure with preserved ejection fraction; LVEF = left ventricular ejection fraction
