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Revista mexicana de pediatría
versión impresa ISSN 0035-0052
Resumen
SANCHEZ-ESCOBEDO, Yeiscimin et al. Endocardial pacemaker in a premature infant with AV block and situs inversus totalis. Rev. mex. pediatr. [online]. 2020, vol.87, n.2, pp.74-78. Epub 13-Sep-2021. ISSN 0035-0052. https://doi.org/10.35366/94172.
Objective:
We report the case of a premature newborn with congenital atrioventricular block (CAVB) and with situs inversus totalis (SIT), in whom a single-chamber endocardial pacemaker was implanted.
Clinical case:
Two-day-old female who was born at 35 weeks gestation and with low birth-weight. A 12-lead electrocardiogram showed a ventricular rate of 68 bpm, negative P waves in D1 and aVL and positive in aVR, with atrioventricular block 2x1. Sequential segmental analysis determined situs inversus, while a thoracic-abdominal CT scan confirmed SIT. Because data on low cardiac output were observed in the first 48 hours, and after ruling out causes of BCVB, it was decided to implant a single-chamber pacemaker endocardially. The patient evolved without complications.
Conclusion:
SIT is a condition that can be associated with BCVB; pacemaker implantation, even in premature infants, can improve the prognosis for these patients.
Palabras llave : Congenital atrioventricular block; definitive pacemaker; situs inversus total; newborn.
