Atrial Fibrillation
Curative Procedures for Atrial Fibrillation
AV Node Modification
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Recently, some authors have suggested that a technique of AV node modification might be applied in patients with established atrial fibrillation, slowing ventricular rates by increasing the overall refractoriness of the AV node and thereby improving ventricular function. This technique may have significant advantages over complete AVJ ablation since conduction would [...]
Catheter Ablation of the AV Junction
Concern about the potential risks of anti-arrhythmic drugs has grown at a time of rapid development of non-pharmacologic treatment for cardiac arrhythmias by catheter based techniques. This began with the relatively crude method of high energy, direct current (DC) ablation of the AV junction (AVJ), which was described in 1982 by both Gallagher et al. [...]
Non-Pharmacologic Management. Atrial Defibrillation
Pacing to Prevent Atrial Fibrillation
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For some time it has been suggested that atrial pacing may prevent the development of atrial fibrillation. The perception is based on retrospective and prospective studies of patients with sinus node dysfunction in whom dual chamber pacing was compared to ventricular pacing. Ventricular pacing was associated with a significantly [...]
Pharmacologic Therapy
The above noted findings created a therapeutic dilemma. The patients who might benefit the most from the maintenance of sinus rhythm (atrial fibrillation and CHF) may also be at the highest risk.
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Amiodarone is a unique antiarrhythmic agent originally developed as an antianginal agent. Although classified as a type III agent, amiodarone also has sodium [...]
Atrial Fibrillation
Atrial Fibrillation
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Atrial fibrillation (AF) is the commonest cardiac arrhythmia, and it is responsible for one million hospital admissions per annum in the United States. The prevalence of atrial fibrillation (AF) increases with age. Among 18,403 civil servants in Britain AF was present in 0.2% of subjects aged 40 to 49 years and 1.1% among [...]
