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Volume 349:1787-1789 November 6, 2003 Number 19 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

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Since they were first described, preexcitation syndromes have intrigued physicians. The interest derives in part from the myriad bizarre electrocardiographic abnormalities associated with these syndromes and from the variety of complex arrhythmias that may be manifested in affected patients. Symptomatic tachycardias develop in patients with the Wolff–Parkinson–White syndrome because there is conduction over an accessory (extranodal) atrioventricular pathway consisting of working myocardium. Since an impulse arising from the sinus node can activate the atrioventricular node and the more rapidly conducting accessory pathway in parallel, the ventricle ipsilateral to the site where the accessory pathway enters the myocardium is excited prematurely. . . . [Full Text of this Article]

Source Information

From the Cardiology Division, Department of Medicine, Weill Medical College of Cornell University, New York.

This article has been cited by other articles:

• Delacretaz, E. (2006). Supraventricular Tachycardia. NEJM 354: 1039-1051 [Full Text]  
• (2004). Catheter Ablation for Asymptomatic Ventricular Preexcitation -- Not Yet. Journal Watch Cardiology 2004: 8-8 [Full Text]  
• (2004). Catheter Ablation for Asymptomatic Ventricular Preexcitation: Not Yet. Journal Watch Cardiology 2004: 1-1 [Full Text]