Dextroposition of the Heart
UNIFORMED SERVICES UNIV OF THE HEALTH SCIENCES BETHESDA MD DEPT OF RADIOLOGY
Pagination or Media Count:
An 18-year-old male recruit underwent a physical examination to assess fitness for enrollment into the Naval Academy. There was no health complaint. His medical history was significant for a pectus excavatum. His surgical history was notable only for a cosmetic repair of the pectus at age 14. Review of systems included an ability to participate in athletics without limitation. His admission physical exam documented only a left chest wall 6 cm scar consistent with surgical history. The screening chest x-ray is presented below Fig 1A. Technical limitations impeded a thorough echocardiographic evaluation and a cardiac magnetic resonance imaging MRI study was performed to determine whether the condition represented dextroposition, true mirror-image dextrocardia, or a more sinister culprit such as corrected transposition of the great arteries Fig. 1B, coronal Figs. 1C, 1D and 1E, axial cranial to caudal.
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