نتایج جستجو برای: left atrial appendage
تعداد نتایج: 362653 فیلتر نتایج به سال:
An 82-year-old woman with a history of previous cerebral infarction and atrial fibrillation was hospitalized with aphagia. Brain magnetic resonance imaging showed a dot-like high signal intensity in the left occipital subcortex. With a working diagnosis of acute cerebral infarction due to cardiac emboli, trans-thoracic echocardiography (TTE) was performed. The TTE showed an oval shaped, mobile ...
OBJECTIVES This study sought to determine the incidence of incomplete ligation of the left atrial appendage (LAA) during mitral valve surgery. BACKGROUND Ligation of the LAA to prevent future thromboembolic events is commonly performed during mitral surgery. However, success in completely excluding the appendage from the circulation has never been systematically assessed. METHODS Using tran...
INTRODUCTION Accurate discrimination of atrial and pulmonary vein potentials recorded circumferentially within the pulmonary veins is important when performing segmental isolation of the pulmonary veins in patients with atrial fibrillation. METHODS AND RESULTS Twenty patients with paroxysmal atrial fibrillation underwent pulmonary vein mapping with a decapolar Lasso catheter during sinus rhyt...
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