PMC5804602_01
Preoperative examinations. a Chest radiograph showing no abnormality. b Four-chamber view of a transthoracic echocardiogram showing mild mitral regurgitation with tethering
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PMC5804602_01_40981_2017_88_Fig1_HTML.jpg
Fig1
Although chest radiography revealed no abnormality (Fig. 1a), transthoracic echocardiography revealed mild mitral regurgitation (MR) with tethering (Fig. 1b).
Examinations after exacerbation of dyspnea. a Chest radiograph showing cardiac enlargement and bilateral pulmonary infiltration. b Four-chamber view of a transesophageal echocardiogram showing severe mitral regurgitation
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PMC5804602_01_40981_2017_88_Fig2_HTML.jpg
Fig2
Chest radiography revealed bilateral pulmonary congestion (Fig. 2a). After parturition, transesophageal echocardiography was immediately performed by a cardiologist and revealed normal right ventricular function without an embolus and severe MR with preserved left ventricular function (ejection fraction >60%) (Fig. 2b).