Impending paradoxical embolism.
Cheng
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D004452:Echocardiography / Q000379:methods; D017548:Echocardiography, Transesophageal; D019320:Embolism, Paradoxical / Q000000981:diagnostic imaging*; D006344:Heart Septal Defects, Atrial / Q000000981:diagnostic imaging*; D006801:Humans