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Images in Cardiothoracic Surgery

Dual-Source Computed Tomography Assessment of Malfunctioning Mechanical Prosthetic Valve

^a Department of Radiology and Radiological Science, Medical University of South Carolina, Charleston, South Carolina
^c Division of Cardiology, Department of Medicine, Medical University of South Carolina, Charleston, South Carolina
^b Department of Radiology, University of Navarra, Pamplona, Spain

^_* Address correspondence to Dr Schoepf, Department of Radiology and Radiological Science, Medical University of South Carolina, 25 Courtenay Dr, MSC 226, Charleston, SC 29401 (Email: schoepf@musc.edu).

A 41-year-old woman was admitted to the Medical University of South Carolina cardiology service with new-onset atrial fibrillation, with chest tightness, shortness of breath, and a nonproductive cough. As a child, she had a congenital bicuspid aortic valve with severe aortic stenosis that initially required commissurotomy, a bioprosthetic valve replacement at age 10, and a St. Jude mechanical valve (St. Jude Medical, St. Paul, MN) replacement at age 12. She had never received anticoagulant therapy other than aspirin, originally as . . . [Full Text of this Article]