OBJECTIVES
To clarify the prevalence and mechanism of supraventricular tachycardia in patients with right atrial isomerism.
BACKGROUND
Paired SA and dual atrioventricular (AV) nodes have been described in patients with right atrial isomerism. However, the clinical significance remains unclear.
METHODS
From 1987 to 1996, a total of 101 patients (61 male, 40 female) and four fetuses were iden...
