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September 24, 1927


Author Affiliations

From the Child Research Council and the University of Colorado School of Medicine.

JAMA. 1927;89(13):1025-1028. doi:10.1001/jama.1927.02690130013006

For the purpose of description, infants with respiratory stridor may be roughly separated into four classes: (1) the group of infants who at birth make a respiratory noise most likely due to mucus; (2) the group from 1 to 2 months to 1 year of age who have a stridor varying in character, which is usually attributed to the thymus; (3) the group with anomalies and tumors in which there is definite evidence of a pathologic condition to account for the stridor, and (4) the group with definite and unmistakable infections of the nose and throat or of the trachea and bronchi who often have a respiratory stridor. Certain infants with asthma may come under this class. In this paper I discuss only the second group of cases, in which there is a respiratory stridor commonly called "thymic stridor," the term "stridor" being applied in a general way to any