The most common form of PSVT?
Correct Answer: AV nodal reentry tachycardia
Description: Pathologic supraventricular tachycardia A. Tachycardia originating from the atriumDefining feature: tachycardia may continue despite beats that fail to conduct to the ventricles, indicating that the AV node is not paicipating in the tachycardia circuitB. AV nodal reentry tachycardiaDefining feature: paroxysmal regular tachycardia with P waves visible at the end of the QRS complex or not visible at allThe most common paroxysmal sustained tachycardia in healthy young adults; more common in womenC. Tachycardias associated with accessory atrioventricular pathwaysDefining feature: paroxysmal sustained tachycardia similar to AV nodal reentry; during sinus rhythm, evidence of ventricular preexcitation may be present (Wolff-Parkinson-White syndrome) or absent (concealed accessory pathway)Harrison 19e pg: 1476
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