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Congenital Complete Atrioventricular Block and Preexcitation Syndrome: A Well-Matched Partner

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Abstract

A patient who had been previously diagnosed with congenital complete atrioventricular block (CCAVB) twenty years ago developed atrioventricular (AV) conduction through an accessory pathway (AP). With enhanced sympathetic tone (exercise, isoproterenol), 1:1 conduction down the AP occurred. An electrophysiologic study confirmed a suprahissian AV block and the presence of an AP. The AP was located on the left side and posterior. The absence of retrograde conduction through the AP and also a long conduction time were demonstrated.

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Correspondence to Jose Julio Jimenez.

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Rubio, J.A., Saez, P., Jimenez, J.J. et al. Congenital Complete Atrioventricular Block and Preexcitation Syndrome: A Well-Matched Partner. J Interv Card Electrophysiol 13, 159–161 (2005). https://doi.org/10.1007/s10840-005-0262-9

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  • DOI: https://doi.org/10.1007/s10840-005-0262-9

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