. The American journal of roentgenology, radium therapy and nuclear medicine . tis with Effusion of four bodies four to sixteen hours afterdeath with varying amounts of ascitic fluid(250-1500 ), and made plates of thecardiac region with the tube at a distance ofsix feet from the thoracic wall. In summar-izing their work they stated that the cardio-hepatic angle was never obliterated evenafter the injection of 1500 , and that theearliest clinical manifestation was anincrease in retrosternal dullness whichappeared at the same time that the cardiacsliadow bean to increase in width, and that


. The American journal of roentgenology, radium therapy and nuclear medicine . tis with Effusion of four bodies four to sixteen hours afterdeath with varying amounts of ascitic fluid(250-1500 ), and made plates of thecardiac region with the tube at a distance ofsix feet from the thoracic wall. In summar-izing their work they stated that the cardio-hepatic angle was never obliterated evenafter the injection of 1500 , and that theearliest clinical manifestation was anincrease in retrosternal dullness whichappeared at the same time that the cardiacsliadow bean to increase in width, and that containing pus it was given as Mostof these cases were examined over a consid-erable period of time, so that although thenumber of cases is small, there are a fairlylarge number of examinations. In all of thepositive cases the heart shadow was verymuch enlarged, and there was a definitechange in shape with change in position ofthe patient. In two there was sometimesfaint but distinct pulsation present, andin the others no record of visible pulsationwas Fig. 3a. This Plate Shows the Results Obtained Fig. 3R. After Injection of 200 of SaltIN Experiment 3 taken Interference Solution. The most striking feature of this platewith the Pericardium. is the complete obliteration of the normal curves at the left border of the heart shadow. when the amount of fluid was not toogreat, it was possible to demonstrate shift-ing restrosternal dullness with change ofposition. CLINICAL STUDIES Data were obtained from the records of60 cases diagnosed as probable pericardialdisease. In many of them the diagnosis wasnever definitely confirmed, while in othersthe condition probably was enlarged heartwith adhesive pericarditis. Five, however,had very definite clinical stories and fluidwas obtained by tapping. In four the fluidwas serous, and in one it was purulent. Thespecific gravity of the fluid in the first fourwas not given in the records, but in that A study of th


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