Chest x-ray findings can diagnose giant left atrium, a condition specific to rheumatic mitral valve regurgitation compared to other causes of mitral regurgitation.
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CXR may suggest rheumatic mitral regurgitation etiology via giant left atrium; leaves open prospective validation in contemporary cohorts.
This article emphasizes that the abnormalities noted on chest x-ray films of the chest can be diagnostic of giant left atrium. It also points out that a giant left atrium that occasionally occurs in patients with rheumatic mitral valve regurgitation does not occur in patients with mitral regurgitation due to other causes.
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J. Willis Hurst (2001) studied this question.
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