نتایج جستجو برای: cardiac rhythm
تعداد نتایج: 299877 فیلتر نتایج به سال:
A 51-year-old man presented with profuse vomiting and epigastric discomfort. The patient was known to suffer from a bipolar affective disorder with previous hospitalization for psychotic depression and attempted suicide. An ECG tracing showed normal sinus rhythm, inverted T waves in leads II, III and AVF and depressed ST segments in V4–V6 (Figure 1). Laboratory investigations revealed a serum p...
This article reviews the most relevant articles published in 2012 in the field of arrhythmias, on subjects that include clinical arrhythmology, ablation, cardiac pacing, and the genetics of sudden cardiac death.
OBJECTIVES To determine the sensitivity and specificity of the San Francisco Syncope Rule (SFSR) electrocardiogram (ECG) criteria for determining cardiac outcomes and to define the specific ECG findings that are the most important in patients with syncope. METHODS A consecutive cohort of emergency department (ED) patients with syncope or near syncope was considered. The treating emergency phy...
Atrial fibrillation is the commonest sustained cardiac arrhythmia. It accounts for >35% of all hospital admissions for cardiac arrhythmias in the United States. The presence of atrial fibrillation increases the mortality of a population by up to twofold. The risk of stroke increases from 1.5% in patients with atrial fibrillation from 50-59 years of age to up to 23.5% for such patients aged 80-8...
Cardiac rhythm disorders reflect failures of impulse generation and/or conduction. With the exception of ablation methods that yield selective endocardial destruction, present therapies are nonspecific and/or palliative. Progress in understanding the underlying biology opens up prospects for new alternatives. This article reviews the present state of the art in geneand cell-based therapies to c...
A variety of arrhythmias can occur after heart transplantation (HTx). Hearts selected to be donated for HTx should be in good condition and generally beat in sinus rhythm (SR). Absence or loss of SR after HTx can be due to any reason and can lead to serious hemodynamic problems. Ischemia reperfusion injury, unbalanced serum electrolytes and re-warming of cold myocardial tissue are known to init...
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