Role of atrial electrophysiology and autonomic nervous system in patients with supraventricular tachycardia and paroxysmal atrial fibrillation
Yi-Jen Chen, MDa,
Shih-Ann Chen, MDa,
Ching-Tai Tai, MDa,
Zu-Chin Wen, MDa,
An-Ning Feng, MDa,
Yu-An Ding, MDa and
Mau-Song Chang, MDa
a Division of Cardiovascular Medicine, Taipei Medical College, Wan-Fang Hospital; Division of Cardiology, Department of Medicine, National Yang-Ming University, School of Medicine, and Veterans General Hospital-Taipei, Taipei, Taiwan

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Figure 1 The differences of left atrial area (LAA) or right atrial area (RAA) between baseline study and PSVT in Group I and Group II. *p < 0.05, PSVT versus baseline study.
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Figure 2 The differences of effective refractory periods (ERP) in the high right atrium (HRA), right posterolateral atrium (RPL) and distal coronary sinus (DCS) between baseline study and PSVT in Group I and Group II. *p < 0.05, PSVT versus baseline study.
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Figure 3 The differences of AERP dispersion between baseline study and PSVT in Group I and Group II. *p < 0.05, PSVT versus baseline study.
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Figure 4 Plot of individual values of BRS in Group I and Group II.
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