Radiofrequency catheter ablation of a right free-wall accessory pathway in dextrocardia with complete situs inversus.

An uncommon case of orthodromic atrioventricular reentrant tachycardia in a patient with dextrocardia and complete situs inversus is reported. There was no associated cardiac abnormality apart from the mirror image dextrocardia. An electrophysiological study and successful catheter ablation of a right free-wall concealed accessory pathway was performed. A simplified three-catheter technique from a femoral approach and monoplane fluoroscopy were used in a noncomplicated procedure of normal duration.