Improving the Differential Diagnosis of Chronic Obstructive Pulmonary Disease in Primary Care David B. Price, MBBChir, MA, FRCGP, Barbara P. Yawn, MD, MSPH, MSc, Rupert C.M. Jones, MBBS, MD Mayo Clinic Proceedings Volume 85, Issue 12, Pages 1122-1129 (December 2010) DOI: 10.4065/mcp.2010.0389 Copyright © 2010 Mayo Foundation for Medical Education and Research Terms and Conditions
FIGURE 1 The potential for underdiagnosis and overdiagnosis of chronic obstructive pulmonary disease (COPD) with use of a fixed forced expiratory volume in the first second of expiration (FEV1) to forced vital capacity (FVC) ratio. From Thorax,50 with permission. Mayo Clinic Proceedings 2010 85, 1122-1129DOI: (10.4065/mcp.2010.0389) Copyright © 2010 Mayo Foundation for Medical Education and Research Terms and Conditions
FIGURE 2 An algorithm for the differential diagnosis of chronic obstructive pulmonary disease (COPD).88 FEV1 = forced expiratory volume in the first second of expiration; FVC = forced vital capacity. Adapted from Pocket Science–COPD,99 with permission. Mayo Clinic Proceedings 2010 85, 1122-1129DOI: (10.4065/mcp.2010.0389) Copyright © 2010 Mayo Foundation for Medical Education and Research Terms and Conditions