. The heart and the aorta; studies in clinical radiology . BALL IN THE PEEICAEDIUM, IN THE LOWEEPAET OF THE HEAET way over this line. It was separated from the centralportion of the diaphragm by a transparent band whichenlarged during inspiration. In lateral position, theprojectile was under the ventricular mass, cm. fromthe anterior thoracic wall (Fig. 175). The markings gave the following result: projectilelodged cm. deep from the inferior sternal wall, on anantero-posterior line passing to the lower part of theright heart and tangent to the left side of the vertebralcolumn. A study
. The heart and the aorta; studies in clinical radiology . BALL IN THE PEEICAEDIUM, IN THE LOWEEPAET OF THE HEAET way over this line. It was separated from the centralportion of the diaphragm by a transparent band whichenlarged during inspiration. In lateral position, theprojectile was under the ventricular mass, cm. fromthe anterior thoracic wall (Fig. 175). The markings gave the following result: projectilelodged cm. deep from the inferior sternal wall, on anantero-posterior line passing to the lower part of theright heart and tangent to the left side of the vertebralcolumn. A study of the movements of the projectile was madeto determine whether the ball was adherent to the ven-tricular wall or lay in the pericardium. 242 THE HEART AND THE AORTA These movements were of two sorts: (1) pulsations,(2) respiratory displacements. The pulsations were synchronous with those of theheart, but they had a much greater amplitude. Theycould be studied in right anterior oblique position at 20degrees (Fig. 176). They spread vertically with a total. Fig. 175. SAME CASE, IN LEFT LATEEAL POSITION
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