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December 1940


Author Affiliations

From the Pediatric Department of Woman's Hospital.

Am J Dis Child. 1940;60(6):1342-1350. doi:10.1001/archpedi.1940.02000060100010

This work was done at Woman's Hospital, Detroit, as part of a study intended to clarify the present confusing criteria of normality of the newborn infant's chest. It was felt that any intelligent appraisal of the abnormal must be preceded by a clear understanding of the normal. This paper is concerned chiefly with the mechanics of respiration

The physiology of respiration in the newborn baby has been studied thoroughly. The observations of the older writers are referred to in most pediatric textbooks. A review of the subject with personal observations, has been presented separately by Wiggers1 and by Foote.2 This work was the result of clinical inspection, anatomic measurements and consideration of the relative functions of the chest and diaphragm during inspiration and expiration as ascertained by superimposed photographs, and it was primarily concerned with the rate, type and relative volume of respirations as compared with observations in

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