Autonomic and Pharmacological Responses of Idiopathic Ventricular Tachycardia Arising from the Left Ventricular Outflow Tract

• Published in: Journal of cardiovascular electrophysiology Vol. 18; no. 11; pp. 1161 - 1166
• Main Authors: YAMAWAKE, NORIYOSHI, NISHIZAKI, MITSUHIRO, HAYASHI, TATSUYA, NIKI, SAORI, MAEDA, SHINGO, TANAKA, YASUAKI, FUJII, HIROYUKI, ASHIKAGA, TAKASHI, SAKURADA, HARUMIZU, HIRAOKA, MASAYASU
• Format: Journal Article
• Language: English
• Published: Malden, USA Blackwell Publishing Inc 01.11.2007
• Subjects: Adenosine Triphosphate - therapeutic use; Anti-Arrhythmia Agents - therapeutic use; Ca overload; Cardiotonic Agents - therapeutic use; Catheter Ablation; cyclic AMP; Electrophysiologic Techniques, Cardiac; Female; Humans; Isoproterenol - therapeutic use; left ventricular outflow tract; Lidocaine - therapeutic use; Male; Middle Aged; Procainamide - therapeutic use; Propranolol - therapeutic use; sustained monomorphic ventricular tachycardia; Tachycardia, Ventricular - drug therapy; Tachycardia, Ventricular - etiology; Tachycardia, Ventricular - physiopathology; Tachycardia, Ventricular - surgery; Treatment Outcome; triggered activity; Valsalva Maneuver; Ventricular Outflow Obstruction - complications

Background: It is well recognized that the mechanism of idiopathic ventricular tachycardia (VT) arising from the right ventricular outflow tract (RVOT) is mostly due to cyclic AMP‐mediated triggered activity. The mechanism of VT arising from the left ventricular outflow tract (LVOT) has not been wel...