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The Role of Purkinje and Pre-Purkinje Potentials in the Reentrant Circuit of Verapamil-Sensitive Idiopathic LV Tachycardia by TAKESHI AIBA; KAZUHIRO SUYAMA; NAOHIKO AIHARA; ATSUSHI TAGUCHI; WATARU SHIMIZU; TAKASHI KURITA; SHIRO KAMAKURA is a Medicine article available to read on EtoBox.
What is The Role of Purkinje and Pre-Purkinje Potentials in the Reentrant Circuit of Verapamil-Sensitive Idiopathic LV Tachycardia about?
**AIBA, T., et al.: The Role of Purkinje and Pre‐Purkinje Potentials in the Reentrant Circuit of Verapamil‐Sensitive Idiopathic LV Tachycardia.** Although the mechanism of verapamil‐sensitive idiopathic left ventricular tachycardia (ILVT) is usually reentry, the actual reentrant circuit is not clearly understood. This study examined the relationship between the Purkinje potential (PP) and a dull potential preceding PP (pre‐PP) during ILVT to elucidate the roles of these potentials in the reentrant circuit of ILVT. Electrophysiological studies and radiofrequency catheter ablation were performed in ten patients (7 men, 3 women, mean age 29 years) who had an ILVT with a right bundle branch block configuration and left‐axis deviation. Left ventricular endocardial mapping using an octapolar catheter and entrainment and resetting studies during VT was performed by pacing from the right ventricular outflow tract (RVOT) and each site of the left ventricular mapping catheter. PP and pre‐PP were recorded simultaneously during VT in all patients. The earliest PP during VT was recorded at the inferoposterior septum, and PP was activated bidirectionally toward the proximal (basal) and distal (a
Who reads The Role of Purkinje and Pre-Purkinje Potentials in the Reentrant Circuit of Verapamil-Sensitive Idiopathic LV Tachycardia?
It is typically read by researchers, students, and practitioners in Medicine.
- Author
- TAKESHI AIBA; KAZUHIRO SUYAMA; NAOHIKO AIHARA; ATSUSHI TAGUCHI; WATARU SHIMIZU; TAKASHI KURITA; SHIRO KAMAKURA
- Publisher
- John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley (ISSN 0147-8389)
- Published
- 2001
- Language
- EN
- Field
- Medicine (Health Sciences)