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This introduction discusses Wolff-Parkinson-White (WPW) syndrome and the role of vagal maneuvers, such as carotid sinus massage and the Valsalva maneuver, in managing this condition. These techniques suppress conduction through the normal A-V node, allowing for the identification of activation through the accessory pathway associated with WPW. Understanding these mechanisms is crucial for healthcare providers in diagnosing and treating patients with WPW syndrome.
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PREEXCITATION INTRODUCTION TO W.P.W.
A vagal maneuver, such as carotid sinus massage or a Valsalva, will suppress conduction over the normal A-V bridge, and promote activation over the accessory path making WPW activation evident.