Betancur-Vásquez, L., Mejía-Zuluaga, M., Duarte-Suarez, N.R., Duque-Ramírez, M. and Bedoya-Jaramillo, T.M. 2020. Alternating bundle branch block: report of an unusual complication after transcatheter aortic valve implantation. Médicas UIS. 33, 3 (Dec. 2020), 37–42. DOI:https://doi.org/10.18273/revmed.v33n3-2020004.