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
Although there is interobserver variability in the measurement of respiratory rate,3 it is a legitimate part of the physical examination. It would be surprising if the sensitivity, specificity, and predictive accuracy of respiratory rate for pleural effusion have never been studied.
Financial Disclosures: None reported.
Country-Specific Mortality and Growth Failure in Infancy and Yound Children and Association With Material Stature
Use interactive graphics and maps to view and sort country-specific infant and early dhildhood mortality and growth failure data and their association with maternal
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