نتایج جستجو برای: auricular appendage
تعداد نتایج: 10158 فیلتر نتایج به سال:
Atrial fibrillation is a widespread disease and highly relevant as it carries an extended risk for ischaemic stroke. Surgical closure of the left atrial appendage is routinely performed during open heart surgery in patients with atrial fibrillation with the aim of thromboembolic protection. In this report we present a successful percutaneous closure of a left atrial appendage, which showed clin...
Knowledge of normal human cardiac excitation stems from isolated heart or intraoperative mapping studies under nonphysiological conditions. Here, we use a noninvasive imaging modality (electrocardiographic imaging) to study normal activation and repolarization in intact unanesthetized healthy adults under complete physiological conditions. Epicardial potentials, electrograms, and isochrones wer...
On the 8th April 1903, the Magistrate of Gaya, Mr. F. W. Duke, kindly sent for my examination a Hindu male infant .six weeks old, which had been brought to him as a curiosity. The child had what appeared to be a tail. I made the following note at the time : The spine is apparently perfectly normal. Over the base of the sacrum is a brawny swelling, from the lower portion of which emerges a perfe...
Atrial fibrillation (AF) remains the most common arrhythmia encountered in clinical practice. One of its more common deleterious effects is the development of thromboembolism leading to stroke. The left atrial appendage (LAA) has been shown to the site of the majority of thrombus formation leading to stroke. Anticoagulation with warfarin has been the treatment of choice for prevention of emboli...
The increasing interest in left atrial appendage occlusion (LAAO) for ischaemic stroke prevention in atrial fibrillation (AF) fuels the need for more clinical data on the safety and effectiveness of this therapy. Besides an assessment of the effectiveness of the therapy in specific patients groups, comparisons with pharmacological stroke prophylaxis, surgical approaches, and other device-based ...
We present the case of a 54-year-old patient with no history of heart disease who underwent transesophageal echocardiography (TEE) to rule out the presence of thrombus in the left atrial appendage (LAA) prior to programmed electrical cardioversion for common counterclockwise atrial flutter with 2:1 ventricular response at 150 bpm. The TEE confirmed good biventricular function, no thrombus in LA...
Left atrial appendage (LAA) is a source of thromboembolism especially in patients with non valvular atrial fibrillation (AF). It is reasonable to accept LAA as a distinct part of left atrium (LA) with unique anatomical and physiological properties. Advances in imaging modalities increased the knowledge about anatomical and physiological characteristics of LAA. It is important to prevent the AF ...
Introduction The presence of reduced LAA flow velocities indicates patients who are prone to thrombus formation in the LAA and therefore being at high risk for subsequent cardioembolic stroke. LAA flow velocities are typically assessed by TEE in clinical routine. VENC-MRI is an established tool for the quantification of transvalvular flow, but the feasibility of LAA flow measurements by VENC-MR...
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