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LOUIS H. CLERF, M.D.

Arch Otolaryngol. 1931;13(3):444-461.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

In the interpretation of physical signs it is necessary not only to know how to elicit them, but to understand the mechanism of their production.

According to Jackson,¹ bronchoscopic observations, together with correlated studies, demonstrated the mechanism underlying the production of physical signs of foreign bodies in the bronchi, and an understanding of this mechanism was necessary for the proper interpretation of these signs. The studies were greatly aided by checking the physical signs with the bronchoscopic observations of the foreign body and permitting a rechecking of previous interpretations of the physical observations following bronchoscopic removal of the foreign body. The many valuable and practical bronchoscopic contributions to the proper interpretation of physical signs in cases of foreign body led to a similar study of the observations in cases of pulmonary disease of other than foreign body origin. It was observed that viscid or dried secretion, mucosal swelling, granulations . . . [Full Text PDF of this Article]

Author Affiliations
PHILADELPHIA

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