Utility of B-type natriuretic peptide in the diagnosis of congestive heart failure in an urgent-care setting
Quyen Dao, BSN*,
Padma Krishnaswamy, MD*,
Radmila Kazanegra, MD*,
Alex Harrison, BS*,
Rambod Amirnovin, BS*,
Leslie Lenert, MD*
,
Paul Clopton, BS*,
Joel Alberto, RN*,
Patricia Hlavin, MD* and
Alan S. Maisel, MD
* Division of Cardiology and General Internal Medicine and the Departments of Medicine and Nursing, Veterans Affairs Medical Center, San Diego, California, USA
University of California, San Diego, California, USA

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Figure 1 B-type natriuretic peptide levels of patients diagnosed with CHF, baseline left ventricular dysfunction and without CHF. BNP = B-type natriuretic peptide; CHF = congestive heart failure.
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Figure 2 (A) BNP concentrations for the degree of CHF severity. (B) Hospital admission versus BNP. (C) BNP levels in patients with dyspnea secondary to CHF or chronic obstructive lung disease. (D) BNP levels in patients with edema diagnosed with CHF or non-CHF. Boxes represent mean and interquartile range. Vertical line without a dot represents a range from 10% to 90%. A dot with a line represents the mean and SEM. Values shown represent the mean (SEM). BNP = B-type natriuretic peptide; CHF = congestive heart failure; Dx = diagnosis.
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Figure 3 Receiver operating characteristic curves of BNP and emergency department diagnosis using all 250 patients. AUC = area under the curve; BNP = B-type natriuretic peptide; ER = emergency room.
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Copyright © 2001 by the American College of Cardiology Foundation.