Corresponding author: Prof. Bożena Werner MD, PhD, Department of Pediatric Cardiology and General Pediatrics, Medical University of Warsaw, 63 A Żwirki i Wigury St, 02-091 Warsaw, Poland, phone: +48 22 317 95 75, e-mail: [email protected] Accepted: 19.01.2016, accepted: 2.06.2016. Transient complete right bundle branch block following right heart catheterization in children – a report of...