Via the Accessory Pathway in Patients with Wolff-Parkinson-White Syndrome
نویسنده
چکیده
Circulation 53: 752, 1976 4. Braunwald E, Morrow AG: Sequence of ventricular contraction in human bundle branch block. Am J Med 23: 205, 1957 5. Haber E, Leatham A: Splitting of heart sounds from ventricular asynchrony in bundle branch block, ventricular ectopic beats and artificial pacing. Br Heart J 27: 691, 1965 6. Waider W, Craige E: First heart sound and ejection sounds. Am J Cardiol 35: 346, 1975 7. Burggraf GW, Craige E: The first heart sound in complete heart block phonoechocardiographic correlations. Circulation 50: 17, 1974 8. Mills PG, Chamusco RF, Moos S, Craige E: Echophonocardiographic studies of the contribution of the atrioventricular valves to the first heart sound. Circulation 54: 944, 1976 9. Mills PG, Craige E: Echophonocardiography. Prog Cardiovasc Dis 20: 337, 1978 10. Weissler AM, Garrand CL: Systolic time intervals in cardiac disease. Mod Concepts Cardiovasc Dis 40: 1, 1970 I1. Leatham A: Auscultation of the heart and phonocardiography, 2nd ed. Edinburgh, Churchill Livingstone, 1975, p 25 12. Heintzen P: The genesis of the normally split first heart sound. Am Heart J 62: 332, 1961 13. Bourassa MG, Boitreau GM, Allenstein WJ: Hemodynamic studies during intermittent left bundle branch block. Am J Cardiol 10: 793, 1962 14. Adolph RJ, Fowler NO, Tanuka K: Prolongation of isovolumic contraction time in left bundle branch block. Am Heart J 78: 585, 1969
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Radiofrequency catheter ablation in the treatment of Wolff-Parkinson-White syndrome
Introduction: Tachyarrhythmias in Wolf Parkinson White (WPW) syndrome, can be a life threatening factor. Antiarrhythmic drug therapy in this syndrome, has not been completely acceptable. Efficacy, safety and economy of Radio Frequency Catheter Ablation (RFCA) in western studies, has made it as the treatment of choice. In the present study, efficacy of RFCA in the ablation of accessory pathway...
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BACKGROUND Atrial flutter with 1:1 atrioventricular conduction via an accessory pathway is an uncommon presentation of Wolff-Parkinson-White syndrome not previously reported in the emergency medicine literature. Wolff-Parkinson-White syndrome, a form of ventricular preexcitation sometimes initially seen and diagnosed in the emergency department (ED), can present with varied tachydysrhythmias fo...
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The induction of ventricular tachycardia by ventricular stimulation was investigated in 46 patients with isolated Wolff-Parkinson-White syndrome (10 concealed) and 36 control patients with normal electrocardiograms and conduction systems. None of those studied had spontaneous ventricular arrhythmias or myocardial or valve disease. Single and double ventricular extrastimuli were delivered at 3 c...
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Forty-nine patients with Wolff-Parkinson-White syndrome, ages 7 weeks to 51 years, were studied with isopotential body surface maps during normal sinus rhythm, atrial pacing or induced atrial fibrillation. The location of the accessory pathway was determined by multicather electrophysiologic study or surgical ablation of the accessory pathway. When fusion was minimized and ventricular activatio...
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In three patients anterograde conduction across a previously undocumented accessory pathway was exposed by the development of atrial fibrillation. This unusual presentation illustrates the possible unmasking of the Wolff-Parkinson-White syndrome by other factors in patients who have not previously demonstrated the potential for anterograde accessory pathway conduction.
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Wolff-Parkinson-White Syndrome (WPW) is a term referring to Louis Wolff who published an article in 1930 that describes 11 patients suffering from episodes of tachycardia with characteristic ECG findings (ECG pattern shows bundle branch block and shortened P-R interval). In 1943, anatomical accessory pathway of conducting tissue has been described that bypasses the atrioventricular (AV) conduct...
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