To the Editor: In their Rational Clinical Examination article, Dr Wong and colleagues1 addressed the question of whether a patient with pulmonary symptoms needs diagnostic imaging to rule out pleural effusion. Although they evaluated the accuracy of 8 physical examination findings, it was striking that they did not include tachypnea.2
Manning DM. Respiratory Rate and Diagnosis of Pleural Effusion. JAMA. 2009;301(19):1989–1990. doi:10.1001/jama.2009.653
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