f~~~~~~~~~~F IG. 1.-Electrocardiogram, showing right axis deviation, right ventricular hypertrophy, and clockwise rotation of a vertical heart. Case 4. B~~~~~~~~~~~~~~~~~~~F IG. 2.(A) Postero-anterior teleradiogram, showing moderate overall cardiac enlargement with prominence of the pulmonary trunk and its main branches. (B) Postero-anterior angiocardiogram taken 8 seconds after injection of the contrast medium, showing the retention of the dye in the dilated pulmonary arteries.
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Heath et al. (1957) studied this question.
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