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The aim of this study was to analyze clinical and echographic findings and to assess therapeutic management in 14 floating right atrial thrombi diagnosed with systematic echocardiography in 200 consecutive patients with proven pulmonary embolism. Auscultatory findings were abnormal in 7 cases, 4 of them showing signs of tricuspid obstruction. Echocardiography displayed a mobile ovoid, polycyclic or worm-like right atrial mass, always associated with signs of cor pulmonale. Four patients (29%) died, 2 of them before any treatment could be started. Regarding the remaining 10 patients with favorable outcome, surgical embolectomy was carried out in 7. Our data suggest that echocardiographic examination is necessary in all suspected pulmonary embolisms and has to be done quickly for emergency treatment in patients with floating right atrial thrombus.

Transthoracic echocardiography and continuous wave Doppler were prospectively performed in 132 out-patients with suspicion of pulmonary embolism, and who had no previous history of severe cardiac or pulmonary disease. Bedside echocardiography determined diagnosis other than pulmonary embolism in 55 patients. Further study was completed in 70 patients; pulmonary embolism was found in 31 and excluded in 39. Significant differences were found as regards right ventricular diameter (27 +/- 8 vs 22 +/- 5 mm, P < 0.001), left ventricular diameter (41 +/- 9 vs 49 +/- 7 mm, P < 0.001), right over left ventricular diameter ratio (0.67 +/- 0.23 vs 0.43 +/- 0.15, P < 0.0001), tricuspid regurgitant flow peak velocity (2.9 +/- 0.4 vs 2.4 +/- 0.7 m.s-1, P < 0.0001), and abnormal septum motion (12 vs 4, P < 0.01). Multivariate analysis of echocardiographic data included a tricuspid regurgitant flow peak velocity greater than 2.5 m.s-1 and a right over left ventricular diameter ratio greater than 0.5 in a logistic model (sensitivity 93%, specificity 81%). The combination of echocardiographic and non-echocardiographic data included the two previous echocardiographic variables, together with signs of deep vein thrombosis, a deep S wave in lead D1, and a Q wave in lead D3 on the electrocardiogram in a logistic model (sensitivity 96%, specificity 83%). It can be concluded that emergency echocardiography, alone or combined with clinical examination and electrocardiogram, satisfactorily predicts acute pulmonary embolism.

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Idiopathic hypereosinophilic syndrome (IHS) is a rare systemic disease than can cause multiple organ failure by eosinophilic infiltration. Cardiac involvement is characterized by endocardial fibrosis and overlying thrombus leading to restrictive cardiomyopathy and valvular dysfunction. The absence of peripheral eosinophilia does not exclude eosinophilic cardiac involvement. Surgical experience of patients with mitral dysfunction caused by this syndrome is limited and valvular replacement is most often performed. Mechanical valvular replacement has a high incidence of recurrent obstructive thrombosis and replacement by bioprosthesis is recommended despite associated restrictive cardiomyopathy. This report describes a patient who presented mitral insufficiency caused by eosinophilic endocarditis without peripheral eosinophilia who underwent mitral valve replacement.