. The heart and the aorta; studies in clinical radiology . Fig. 15. DIAGEAMMATIC ANATOMICAL CEOSS-SECTION (AFTEELUSCHKA). EIGHT POSTEEIOE OBLIQUE POSITION T, Boentgen tube; n n, course of the normal ray; E E, screen; VG, leftventricle; VD, right ventricle; OG, left auricle; OD, right auricle. By turning to the orthodiagraphic tracing (Fig. 16,from left to right) and studying the details, the followingis found: P G, a clear zone, the left lung; c, the shadow of thevertebral column; e, the retro-cardiac clear space; OG(below the outline of the aorta), the contour of the left 42 THE HEART AND THE
. The heart and the aorta; studies in clinical radiology . Fig. 15. DIAGEAMMATIC ANATOMICAL CEOSS-SECTION (AFTEELUSCHKA). EIGHT POSTEEIOE OBLIQUE POSITION T, Boentgen tube; n n, course of the normal ray; E E, screen; VG, leftventricle; VD, right ventricle; OG, left auricle; OD, right auricle. By turning to the orthodiagraphic tracing (Fig. 16,from left to right) and studying the details, the followingis found: P G, a clear zone, the left lung; c, the shadow of thevertebral column; e, the retro-cardiac clear space; OG(below the outline of the aorta), the contour of the left 42 THE HEART AND THE AORTA auricle, above the outline of the left ventricle, VG; VD,the outline of the right ventricle; finally, PD, the clearfield of the right lung. The most interesting part of this figure is the leftauricle, OGr. This is outlined sharply in the positionwhich is very favorable for the examination of this cav-ity, which occupies here the postero-superior two-thirdsof the cardiac
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