نتایج جستجو برای: heart atrium
تعداد نتایج: 392105 فیلتر نتایج به سال:
A stab wound penetrating the left atrium (excluding the left auricle) would have to penetrate through other chambers of the heart or through the great arteries at their origin from the heart to reach the left atrium from the front of the chest. Such wounds would be fatal, the patient dying from profuse haemorrhage within a few minutes. A stab wound through the back of the chest could reach the ...
A34-year-old man presented for evaluation of palpitations. Eight years earlier, he had undergone orthotopic heart transplantation for nonischemic cardiomyopathy. During the electrophysiology study, atrial tachycardia (cycle length, 220 ms) originating in the recipient atrium was present at baseline. Atrioatrial conduction from the recipient atrium to donor atrium was present with 2:1 conduction...
Although cardiac tumor is rare, cardiac myxoma is the most common primary cardiac tumor in adults (50%-70%). Myxoma, as a benign neoplasm, can develop in any chamber of the heart the most common site being the left atrium (75%) with an overall incidence of about 0.5/million/year. Nowadays echocardiography plays a crucial role in early precise diagnosis and treatment and, therefore, prevents lif...
Purpose: Pulmonary vein isolation by means of catheter ablation is a new therapeutic modality for patients with symptomatic atrial fibrillation. Due to the complex anatomy preprocedual imaging of left atrium and pulmonary veins is helpful for planning catheter intervention. With the advent of electrocardiogram-gated and respiratory-gated 3D steady state free precession (SSFP) sequences covering...
Calcification of the left atrium can be observed in patients with a long-lasting rheumatic heart disease. However, massive calcification of the atrial wall, so called porcelain or coconut atrium is very rare and has been generally reported only as incidental radiographic findings. We report a case of massive and firm calcifications at the left atrium in patient who underwent mitral valve replac...
Common atrium is a rare congenital heart disease characterized by complete absence of the interatrial septum, and is commonly accompanied by malformation of the atrioventricular valve. Most patients with common atrium experience symptoms during childhood. Here, we describe a patient with common atrium who experienced his first obvious symptom at 48 years of age.
BACKGROUND Human mesenchymal stromal cells (hMSCs) from adipose cardiac tissue have attracted considerable interest in regard to cell-based therapies. We aimed to test the hypothesis that hMSCs from the heart and epicardial fat would be better cells for infarct repair. METHODS AND RESULTS We isolated and grew hMSCs from patients with ischemic heart disease from 4 locations: epicardial fat, pe...
For two centuries after Harvey the arterial pulse was often regarded as independent of the heart beat. This misunderstanding was mainly because of the frequent failure of the irregular heart to elicit a radial pulse: the "pulse deficit" of later times. Harvey observed ineffective palpitation of the atrium just before death. This was probably atrial fibrillation. He established the origin of the...
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