Phonocardiographic and Hemodynamic Consequences of Intracardiac Tumor Movement : Right Atrial Myxoma Mimicking Pericarditis

概要

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A case of right atrial myxoma with multiple extrasounds which led initially to the false diagnosis of pericarditis together with the systemic manifestation is presented. The phonocardiographic, hemodynamic, and angiocardiographic study revealed that the scraping, hitting, and incarcerating movement of the tumor is responsible for these peculiar auscultatory phenomenon. It was proposed that the inflow-limited hypodynamic ventricular condition similar to that of constrictive pericarditis was the chief basic mechanism for the genesis of low voltage of QRS complex on electrocardiogram in right atrial myxoma. There were some abnormalities in immunoglobulin, however, no antibody to myxoma or cardiac muscle, nor evidence of specific myocardial damage was demonstrated.
社団法人日本循環器学会の論文
1968-10-20