From the Pulmonary Institute, Shaare Zedek Medical Center, and the Hebrew University Hadassah Medical School, Jerusalem (A.B., G.I.); and the University of Kentucky School of Medicine, Lexington (S.S.K.).
Address reprint requests to Dr. Bohadana at the Pulmonary Institute, Shaare Zedek Medical Center, 12 Baiyt St., 91031 Jerusalem, Israel, or at [email protected].
Dr. Izbicki reports receiving lecture fees from Novartis; AstraZeneca; Teva; Pfizer; Merck, Sharp, and Dohme; and Neopharm, travel support from Novartis and GlaxoSmithKline, and grant support from Novartis, GlaxoSmithKline, and AstraZeneca — all through his institution; and Dr. Kraman reports providing expert testimony in workers' compensation and medical malpractice cases. No other potential conflict of interest relevant to this article was reported.
Disclosure forms provided by the authors are available with the full text of this article at NEJM.org.
We thank Dr. Hans Pasterkamp for providing the stridor sound file, and Anto Yawanta and Jean-Pierre Michaely for their technical assistance in the recording and analysis of lung sounds.
