Since 1925, when Johnson and Meyer1 called particular attention to pneumonia of the new-born, the diagnosis of this and other intrathoracic conditions of this period has been much more frequently made, and the most helpful diagnostic aid has been the roentgenogram.
In a previous communication we2 demonstrated the usefulness of a series of roentgenograms of the thorax of full term, normal infants taken daily during the first fourteen days of life. Briefly, such control observations were helpful in the interpretation of films taken when infants suffered from unexplained cyanosis or cyanotic attacks, from disturbances of respiratory rate or rhythm, from varying degrees of collapse, and the like, in other words, when pneumonia of the new-born or any other intrathoracic lesions was a possible cause of the disturbance. Since one meets such puzzling situations in premature babies even more frequently than in full term infants, it is the more
WEYMULLER CA, BELL ALL, TRIVILINO AA. ROENTGENOGRAPHIC CHANGES IN THE THORAX OF NORMAL PREMATURE BABIES: A DAILY ROENTGENOGRAPHIC STUDY OF FIFTEEN NORMAL PREMATURE BABIES DURING THE FIRST FOURTEEN DAYS OF LIFE. Am J Dis Child. 1932;43(3):585–593. doi:10.1001/archpedi.1932.01950030055008
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