RT Book, Section A1 Nadler, Paul L. A1 Gonzales, Ralph A2 Papadakis, Maxine A. A2 McPhee, Stephen J. A2 Rabow, Michael W. A2 McQuaid, Kenneth R. SR Print(0) ID 1184155759 T1 Cough T2 Current Medical Diagnosis & Treatment 2022 YR 2022 FD 2022 PB McGraw-Hill Education PP New York, NY SN 9781264269389 LK accessmedicine.mhmedical.com/content.aspx?aid=1184155759 RD 2024/03/28 AB ESSENTIAL INQUIRIESAge, occupational history, environmental exposures, risk of coronavirus disease 2019 (COVID-19) (see Chapter 32), and duration of cough.Use of tobacco, cannabis, e-cigarettes (vaping).Dyspnea (at rest or with exertion).Vital signs (heart rate, respiratory rate, body temperature); pulse oximetry.Chest examination.Chest radiography, especially when unexplained cough lasts longer than 3–6 weeks.