The 64 y/o male, suffered from palpitation for a long time. Physical examination revealed irregular heart beats, GrII/VI systolic murmur over left sternal border. Epigastric tenderness(+). The EKG shows atrial fibrillation.
The cardiac echo as below:
根據以上影像和臨床表徵,您的臆測是什麼 ?
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