. The Roentgen rays in medicine and surgery as an aid in diagnosis and as a therapeutic agent : designed for the use of practitioners and students . emitus absent. From third to fourth rib in front, bronchial respira-tion, with rales. September 4. My X-Ray Examination zvitJi Screen. — As indicated inthe cut (Fig. 130), the right side of the chest was divided into a darkand a light area, the fine between these two running from the pointwhere the cartilage of the sixth rib joins the sternum in a directionupward and outward towards the lower end of the right clavicle. Abovethis line the pulmonary
. The Roentgen rays in medicine and surgery as an aid in diagnosis and as a therapeutic agent : designed for the use of practitioners and students . emitus absent. From third to fourth rib in front, bronchial respira-tion, with rales. September 4. My X-Ray Examination zvitJi Screen. — As indicated inthe cut (Fig. 130), the right side of the chest was divided into a darkand a light area, the fine between these two running from the pointwhere the cartilage of the sixth rib joins the sternum in a directionupward and outward towards the lower end of the right clavicle. Abovethis line the pulmonary area was darker than the corresponding area ofthe left lung, but much lighter than the area below it on the right , the chest was again tapped and fluid withdrawn. It will be noticed that in Figs. 129, 130, the shadow against 2o8 THE ROENTGEN RAYS IN MEDICINE AND SURGERY the thoracic wall is darker and higher up than that near thesternum. One reason, certainly, for this fact is the following: Thefluid naturally rises between the costal and pulmonary pleurae, andtherefore if the screen were on the front of the chest, with the tube. Fig. 130. Mary E. H. Pleurisy with effusion. X-ray examination with screen September4th. Darkened area on right side, running from junction of cartilage with sixth rib to outer end of rightclavicle. (Cut one-third life size.) behind the patient, the rays falling near the costal wall of the thoraxmust pass through a layer of fluid that is as thick as the chest is deep,whereas in the neighborhood of the sternum the rays traverse a layerof fluid at the back and front of the chest, respectively, which is sepa- PLEURISY WITH EFFUSION. EMPYEMA 209 rated by the transparent lung, and therefore not so much obstruction isoffered to the rays in the latter case as in the former. Likewise theshadow is very dark below the lung, as there also the rays are obstructedby an unbroken layer of fluid. The upper line of the darkest part ofthe shadow reaching f
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