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Rev. argent. cardiol ; 75(1): 61-63, ene.-feb. 2007. graf
Article in Spanish | LILACS | ID: lil-476960

ABSTRACT

La FA constituye una de las arritmias sostenidas más frecuentes que motivan la consulta. El sustrato comprende diferentes mecanismos, entre los que se encuentra el agrandamiento auricular izquierdo. Presentamos el caso de una mujer de 33 años con antecedentes de palpitaciones, que ingresó en la guardia por FA de alta respuesta ventricular. En la radiografía de tórax se observó una deformación del borde izquierdo de la silueta cardíaca. Posteriormente, el ecocardiograma transesofágico y la resonancia magnética nuclear evidenciaron una megaorejuela aneurismática debida, probablemente, a un defecto pericárdico. La conducta fue anticoagulación oral y tratamiento con atenolol, con evolución favorable.


Among sustained arrhythmias, atrial fibrillation is one of the most common causes of patient consultation. Its substrate comprises various mechanisms, including left atrial enlargement. In this report, we present the case of a 33 yearold woman with a history of palpitations, who was admitted to the emergency room due to atrial fibrillation with a rapid ventricular response. In the chest X-ray, the left border of the cardiac silhouette was deformed. Subsequently, both the transesophageal echocardiogram and the magnetic resonance images showed a giant aneurysmal left atrial appendage, probably due to a pericardial defect. Treatment consisted of oral anticoagulation and atenolol, with a favorable patient outcome.


Subject(s)
Humans , Female , Adult , Atrial Appendage , Atrial Fibrillation , Arrhythmias, Cardiac , Heart Aneurysm , Pericardium/abnormalities
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